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Popular >

expand (7x-10)^2

Solution

expand

(7 x - 10)^{2}

Solution

49 x^{2} - 140 x + 100

Solution steps

(7 x - 10)^{2}

Apply Perfect Square Formula:

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

(7 x - 10)^{2} = (7 x)^{2} - 2 \cdot 7 x \cdot 10 + 1 0^{2}

= (7 x)^{2} - 2 \cdot 7 x \cdot 10 + 1 0^{2}

Simplify

(7 x)^{2} - 2 \cdot 7 x \cdot 10 + 1 0^{2} : 49 x^{2} - 140 x + 100

= 49 x^{2} - 140 x + 100

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Frequently Asked Questions (FAQ)

What is expand (7x-10)^2 ?
The solution to expand (7x-10)^2 is 49x^2-140x+100