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Popular >

expand (y-7)^2

Solution

expand

(y - 7)^{2}

Solution

y^{2} - 14 y + 49

Solution steps

(y - 7)^{2}

Apply Perfect Square Formula:

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

(y - 7)^{2} = y^{2} - 2 y \cdot 7 + 7^{2}

= y^{2} - 2 y \cdot 7 + 7^{2}

Simplify

y^{2} - 2 y \cdot 7 + 7^{2} : y^{2} - 14 y + 49

= y^{2} - 14 y + 49

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1 \frac{2}{5}

Frequently Asked Questions (FAQ)

What is expand (y-7)^2 ?
The solution to expand (y-7)^2 is y^2-14y+49