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Popular >

expand (2m-5)^2

Solution

expand

(2 m - 5)^{2}

Solution

4 m^{2} - 20 m + 25

Solution steps

(2 m - 5)^{2}

Apply Perfect Square Formula:

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

(2 m - 5)^{2} = (2 m)^{2} - 2 \cdot 2 m \cdot 5 + 5^{2}

= (2 m)^{2} - 2 \cdot 2 m \cdot 5 + 5^{2}

Simplify

(2 m)^{2} - 2 \cdot 2 m \cdot 5 + 5^{2} : 4 m^{2} - 20 m + 25

= 4 m^{2} - 20 m + 25

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Frequently Asked Questions (FAQ)

What is expand (2m-5)^2 ?
The solution to expand (2m-5)^2 is 4m^2-20m+25