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Popular >

expand (5-4x)^2

Solution

expand

(5 - 4 x)^{2}

Solution

25 - 40 x + 16 x^{2}

Solution steps

(5 - 4 x)^{2}

Apply Perfect Square Formula:

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

(5 - 4 x)^{2} = 5^{2} - 2 \cdot 5 \cdot 4 x + (4 x)^{2}

= 5^{2} - 2 \cdot 5 \cdot 4 x + (4 x)^{2}

Simplify

5^{2} - 2 \cdot 5 \cdot 4 x + (4 x)^{2} : 25 - 40 x + 16 x^{2}

= 25 - 40 x + 16 x^{2}

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Frequently Asked Questions (FAQ)

What is expand (5-4x)^2 ?
The solution to expand (5-4x)^2 is 25-40x+16x^2