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Popular >

expand (40-x)^2

Solution

expand

(40 - x)^{2}

Solution

1600 - 80 x + x^{2}

Solution steps

(40 - x)^{2}

Apply Perfect Square Formula:

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

(40 - x)^{2} = 4 0^{2} - 2 \cdot 40 x + x^{2}

= 4 0^{2} - 2 \cdot 40 x + x^{2}

Simplify

4 0^{2} - 2 \cdot 40 x + x^{2} : 1600 - 80 x + x^{2}

= 1600 - 80 x + x^{2}

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Frequently Asked Questions (FAQ)

What is expand (40-x)^2 ?
The solution to expand (40-x)^2 is 1600-80x+x^2