Simplify 4z-9z^3+4+7(-3z^2+6)

$4 z - 9 z^{3} + 4 + 7 (- 3 z^{2} + 6)$

Simplify each term.

Apply the distributive property.

$4 z - 9 z^{3} + 4 + 7 (- 3 z^{2}) + 7 \cdot 6$

Multiply $- 3$ by $7$ .

$4 z - 9 z^{3} + 4 - 21 z^{2} + 7 \cdot 6$

Multiply $7$ by $6$ .

$4 z - 9 z^{3} + 4 - 21 z^{2} + 42$

$4 z - 9 z^{3} + 4 - 21 z^{2} + 42$

Simplify the expression.

Add $4$ and $42$ .

$4 z - 9 z^{3} - 21 z^{2} + 46$

Move $4 z$ .

$- 9 z^{3} - 21 z^{2} + 4 z + 46$

$- 9 z^{3} - 21 z^{2} + 4 z + 46$

Related Questions