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Popular >

expand (4y+7)^2

Solution

expand

(4 y + 7)^{2}

Solution

16 y^{2} + 56 y + 49

Solution steps

(4 y + 7)^{2}

Apply Perfect Square Formula:

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

(4 y + 7)^{2} = (4 y)^{2} + 2 \cdot 4 y \cdot 7 + 7^{2}

= (4 y)^{2} + 2 \cdot 4 y \cdot 7 + 7^{2}

Simplify

(4 y)^{2} + 2 \cdot 4 y \cdot 7 + 7^{2} : 16 y^{2} + 56 y + 49

= 16 y^{2} + 56 y + 49

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Frequently Asked Questions (FAQ)

What is expand (4y+7)^2 ?
The solution to expand (4y+7)^2 is 16y^2+56y+49