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Popular >

expand (2+a)^2

Solution

expand

(2 + a)^{2}

Solution

4 + 4 a + a^{2}

Solution steps

(2 + a)^{2}

Apply Perfect Square Formula:

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

(2 + a)^{2} = 2^{2} + 2 \cdot 2 a + a^{2}

= 2^{2} + 2 \cdot 2 a + a^{2}

Simplify

2^{2} + 2 \cdot 2 a + a^{2} : 4 + 4 a + a^{2}

= 4 + 4 a + a^{2}

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Frequently Asked Questions (FAQ)

What is expand (2+a)^2 ?
The solution to expand (2+a)^2 is 4+4a+a^2