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Popular >

expand (5a+2)^2

Solution

expand

(5 a + 2)^{2}

Solution

25 a^{2} + 20 a + 4

Solution steps

(5 a + 2)^{2}

Apply Perfect Square Formula:

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

(5 a + 2)^{2} = (5 a)^{2} + 2 \cdot 5 a \cdot 2 + 2^{2}

= (5 a)^{2} + 2 \cdot 5 a \cdot 2 + 2^{2}

Simplify

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

= 25 a^{2} + 20 a + 4

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Frequently Asked Questions (FAQ)

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