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Popular >

expand (v-7)^2

Solution

expand

(v - 7)^{2}

Solution

v^{2} - 14 v + 49

Solution steps

(v - 7)^{2}

Apply Perfect Square Formula:

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

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

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

Simplify

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

= v^{2} - 14 v + 49

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Frequently Asked Questions (FAQ)

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