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Popular >

expand (3y-6)^2

Solution

expand

(3 y - 6)^{2}

Solution

9 y^{2} - 36 y + 36

Solution steps

(3 y - 6)^{2}

Apply Perfect Square Formula:

(a - b)^{2} = a^{2} - 2 ab + b^{2}

(3 y - 6)^{2} = (3 y)^{2} - 2 \cdot 3 y \cdot 6 + 6^{2}

= (3 y)^{2} - 2 \cdot 3 y \cdot 6 + 6^{2}

Simplify

(3 y)^{2} - 2 \cdot 3 y \cdot 6 + 6^{2} : 9 y^{2} - 36 y + 36

= 9 y^{2} - 36 y + 36

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Frequently Asked Questions (FAQ)

What is expand (3y-6)^2 ?
The solution to expand (3y-6)^2 is 9y^2-36y+36