Write in Standard Form (-x^2-3x+10)(x^2+x+1)

$(- x^{2} - 3 x + 10) (x^{2} + x + 1)$

To write a polynomial in standard form, simplify and then arrange the terms in descending order.

$a x^{2} + b x + c$

Expand $(- x^{2} - 3 x + 10) (x^{2} + x + 1)$ by multiplying each term in the first expression by each term in the second expression.

$- x^{2} x^{2} - x^{2} x - x^{2} \cdot 1 - 3 x \cdot x^{2} - 3 x \cdot x - 3 x \cdot 1 + 10 x^{2} + 10 x + 10 \cdot 1$

Simplify terms.

Simplify each term.

Multiply $x^{2}$ by $x^{2}$ by adding the exponents.

Move $x^{2}$ .

$- (x^{2} x^{2}) - x^{2} x - x^{2} \cdot 1 - 3 x \cdot x^{2} - 3 x \cdot x - 3 x \cdot 1 + 10 x^{2} + 10 x + 10 \cdot 1$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$- x^{2 + 2} - x^{2} x - x^{2} \cdot 1 - 3 x \cdot x^{2} - 3 x \cdot x - 3 x \cdot 1 + 10 x^{2} + 10 x + 10 \cdot 1$

Add $2$ and $2$ .

$- x^{4} - x^{2} x - x^{2} \cdot 1 - 3 x \cdot x^{2} - 3 x \cdot x - 3 x \cdot 1 + 10 x^{2} + 10 x + 10 \cdot 1$

Multiply $x^{2}$ by $x$ by adding the exponents.

Move $x$ .

$- x^{4} - (x \cdot x^{2}) - x^{2} \cdot 1 - 3 x \cdot x^{2} - 3 x \cdot x - 3 x \cdot 1 + 10 x^{2} + 10 x + 10 \cdot 1$

Multiply $x$ by $x^{2}$ .

Raise $x$ to the power of $1$ .

$- x^{4} - (x^{1} x^{2}) - x^{2} \cdot 1 - 3 x \cdot x^{2} - 3 x \cdot x - 3 x \cdot 1 + 10 x^{2} + 10 x + 10 \cdot 1$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$- x^{4} - x^{1 + 2} - x^{2} \cdot 1 - 3 x \cdot x^{2} - 3 x \cdot x - 3 x \cdot 1 + 10 x^{2} + 10 x + 10 \cdot 1$

Add $1$ and $2$ .

$- x^{4} - x^{3} - x^{2} \cdot 1 - 3 x \cdot x^{2} - 3 x \cdot x - 3 x \cdot 1 + 10 x^{2} + 10 x + 10 \cdot 1$

Multiply $- 1$ by $1$ .

$- x^{4} - x^{3} - x^{2} - 3 x \cdot x^{2} - 3 x \cdot x - 3 x \cdot 1 + 10 x^{2} + 10 x + 10 \cdot 1$

Multiply $x$ by $x^{2}$ by adding the exponents.

Move $x^{2}$ .

$- x^{4} - x^{3} - x^{2} - 3 (x^{2} x) - 3 x \cdot x - 3 x \cdot 1 + 10 x^{2} + 10 x + 10 \cdot 1$

Multiply $x^{2}$ by $x$ .

Raise $x$ to the power of $1$ .

$- x^{4} - x^{3} - x^{2} - 3 (x^{2} x^{1}) - 3 x \cdot x - 3 x \cdot 1 + 10 x^{2} + 10 x + 10 \cdot 1$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$- x^{4} - x^{3} - x^{2} - 3 x^{2 + 1} - 3 x \cdot x - 3 x \cdot 1 + 10 x^{2} + 10 x + 10 \cdot 1$

Add $2$ and $1$ .

$- x^{4} - x^{3} - x^{2} - 3 x^{3} - 3 x \cdot x - 3 x \cdot 1 + 10 x^{2} + 10 x + 10 \cdot 1$

Multiply $x$ by $x$ by adding the exponents.

Move $x$ .

$- x^{4} - x^{3} - x^{2} - 3 x^{3} - 3 (x \cdot x) - 3 x \cdot 1 + 10 x^{2} + 10 x + 10 \cdot 1$

Multiply $x$ by $x$ .

$- x^{4} - x^{3} - x^{2} - 3 x^{3} - 3 x^{2} - 3 x \cdot 1 + 10 x^{2} + 10 x + 10 \cdot 1$

Multiply $- 3$ by $1$ .

$- x^{4} - x^{3} - x^{2} - 3 x^{3} - 3 x^{2} - 3 x + 10 x^{2} + 10 x + 10 \cdot 1$

Multiply $10$ by $1$ .

$- x^{4} - x^{3} - x^{2} - 3 x^{3} - 3 x^{2} - 3 x + 10 x^{2} + 10 x + 10$

Simplify by adding terms.

Subtract $3 x^{3}$ from $- x^{3}$ .

$- x^{4} - 4 x^{3} - x^{2} - 3 x^{2} - 3 x + 10 x^{2} + 10 x + 10$

Subtract $3 x^{2}$ from $- x^{2}$ .

$- x^{4} - 4 x^{3} - 4 x^{2} - 3 x + 10 x^{2} + 10 x + 10$

Add $- 4 x^{2}$ and $10 x^{2}$ .

$- x^{4} - 4 x^{3} + 6 x^{2} - 3 x + 10 x + 10$

Add $- 3 x$ and $10 x$ .

$- x^{4} - 4 x^{3} + 6 x^{2} + 7 x + 10$

Write in Standard Form (-x^2-3x+10)(x^2+x+1)

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