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Popular >

expand (8h^2-7)^2

Solution

expand

(8 h^{2} - 7)^{2}

Solution

64 h^{4} - 112 h^{2} + 49

Solution steps

(8 h^{2} - 7)^{2}

Apply Perfect Square Formula:

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

(8 h^{2} - 7)^{2} = (8 h^{2})^{2} - 2 \cdot 8 h^{2} \cdot 7 + 7^{2}

= (8 h^{2})^{2} - 2 \cdot 8 h^{2} \cdot 7 + 7^{2}

Simplify

(8 h^{2})^{2} - 2 \cdot 8 h^{2} \cdot 7 + 7^{2} : 64 h^{4} - 112 h^{2} + 49

= 64 h^{4} - 112 h^{2} + 49

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Frequently Asked Questions (FAQ)

What is expand (8h^2-7)^2 ?
The solution to expand (8h^2-7)^2 is 64h^4-112h^2+49