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Popular >

expand (2b+3)^2

Solution

expand

(2 b + 3)^{2}

Solution

4 b^{2} + 12 b + 9

Solution steps

(2 b + 3)^{2}

Apply Perfect Square Formula:

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

(2 b + 3)^{2} = (2 b)^{2} + 2 \cdot 2 b \cdot 3 + 3^{2}

= (2 b)^{2} + 2 \cdot 2 b \cdot 3 + 3^{2}

Simplify

(2 b)^{2} + 2 \cdot 2 b \cdot 3 + 3^{2} : 4 b^{2} + 12 b + 9

= 4 b^{2} + 12 b + 9

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Frequently Asked Questions (FAQ)

What is expand (2b+3)^2 ?
The solution to expand (2b+3)^2 is 4b^2+12b+9