Simplify (3x+4y)^2

${(3 x + 4 y)}^{2}$

Step 1

Rewrite ${(3 x + 4 y)}^{2}$ as $(3 x + 4 y) (3 x + 4 y)$ .

$(3 x + 4 y) (3 x + 4 y)$

Step 2

Expand $(3 x + 4 y) (3 x + 4 y)$ using the FOIL Method.

Apply the distributive property.

$3 x (3 x + 4 y) + 4 y (3 x + 4 y)$

Apply the distributive property.

$3 x (3 x) + 3 x (4 y) + 4 y (3 x + 4 y)$

Apply the distributive property.

$3 x (3 x) + 3 x (4 y) + 4 y (3 x) + 4 y (4 y)$

Step 3

Simplify and combine like terms.

Simplify each term.

Rewrite using the commutative property of multiplication.

$3 \cdot 3 x \cdot x + 3 x (4 y) + 4 y (3 x) + 4 y (4 y)$

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

Move $x$ .

$3 \cdot 3 (x \cdot x) + 3 x (4 y) + 4 y (3 x) + 4 y (4 y)$

Multiply $x$ by $x$ .

$3 \cdot 3 x^{2} + 3 x (4 y) + 4 y (3 x) + 4 y (4 y)$

Multiply $3$ by $3$ .

$9 x^{2} + 3 x (4 y) + 4 y (3 x) + 4 y (4 y)$

Rewrite using the commutative property of multiplication.

$9 x^{2} + 3 \cdot 4 x y + 4 y (3 x) + 4 y (4 y)$

Multiply $3$ by $4$ .

$9 x^{2} + 12 x y + 4 y (3 x) + 4 y (4 y)$

Rewrite using the commutative property of multiplication.

$9 x^{2} + 12 x y + 4 \cdot 3 y x + 4 y (4 y)$

Multiply $4$ by $3$ .

$9 x^{2} + 12 x y + 12 y x + 4 y (4 y)$

Rewrite using the commutative property of multiplication.

$9 x^{2} + 12 x y + 12 y x + 4 \cdot 4 y \cdot y$

Multiply $y$ by $y$ by adding the exponents.

Move $y$ .

$9 x^{2} + 12 x y + 12 y x + 4 \cdot 4 (y \cdot y)$

Multiply $y$ by $y$ .

$9 x^{2} + 12 x y + 12 y x + 4 \cdot 4 y^{2}$

Multiply $4$ by $4$ .

$9 x^{2} + 12 x y + 12 y x + 16 y^{2}$

Add $12 x y$ and $12 y x$ .

Move $y$ .

$9 x^{2} + 12 x y + 12 x y + 16 y^{2}$

Add $12 x y$ and $12 x y$ .

$9 x^{2} + 24 x y + 16 y^{2}$

Simplify (3x+4y)^2

Related Questions

Support LCMGCF.com by disabling your adblocker.