Simplify (3y-9)(8y)

$(3 y - 9) (8 y)$

Step 1

Simplify by multiplying through.

Apply the distributive property.

$3 y (8 y) - 9 (8 y)$

Simplify the expression.

Rewrite using the commutative property of multiplication.

$3 \cdot 8 y \cdot y - 9 (8 y)$

Multiply $8$ by $- 9$ .

$3 \cdot 8 y \cdot y - 72 y$

Step 2

Simplify each term.

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

Move $y$ .

$3 \cdot 8 (y \cdot y) - 72 y$

Multiply $y$ by $y$ .

$3 \cdot 8 y^{2} - 72 y$

Multiply $3$ by $8$ .

$24 y^{2} - 72 y$