Simplify 6y(y-21)

$6 y (y - 21)$

Step 1

Apply the distributive property.

$6 y \cdot y + 6 y \cdot - 21$

Step 2

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

Move $y$ .

$6 (y \cdot y) + 6 y \cdot - 21$

Multiply $y$ by $y$ .

$6 y^{2} + 6 y \cdot - 21$

$6 y^{2} + 6 y \cdot - 21$

Step 3

Multiply $- 21$ by $6$ .

$6 y^{2} - 126 y$

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