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Popular >

expand (u-7)^2

Solution

expand

(u - 7)^{2}

Solution

u^{2} - 14 u + 49

Solution steps

(u - 7)^{2}

Apply Perfect Square Formula:

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

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

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

Simplify

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

= u^{2} - 14 u + 49

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1.5 \cdot 1 0^{7}

Frequently Asked Questions (FAQ)

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