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Popular >

expand (4b-1)^2

Solution

expand

(4 b - 1)^{2}

Solution

16 b^{2} - 8 b + 1

Solution steps

(4 b - 1)^{2}

Apply Perfect Square Formula:

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

(4 b - 1)^{2} = (4 b)^{2} - 2 \cdot 4 b \cdot 1 + 1^{2}

= (4 b)^{2} - 2 \cdot 4 b \cdot 1 + 1^{2}

Simplify

(4 b)^{2} - 2 \cdot 4 b \cdot 1 + 1^{2} : 16 b^{2} - 8 b + 1

= 16 b^{2} - 8 b + 1

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Frequently Asked Questions (FAQ)

What is expand (4b-1)^2 ?
The solution to expand (4b-1)^2 is 16b^2-8b+1