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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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Frequently Asked Questions (FAQ)

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