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Popular >

simplify (x+2x)^2

Solution

simplify

(x + 2 x)^{2}

Solution

9 x^{2}

Solution steps

(x + 2 x)^{2}

Add similar elements:

x + 2 x = 3 x

= (3 x)^{2}

Apply exponent rule:

(a \cdot b)^{n} = a^{n} b^{n}

(3 x)^{2} = 3^{2} x^{2}

= 3^{2} x^{2}

3^{2} = 9

= 9 x^{2}

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Frequently Asked Questions (FAQ)

What is (x+2x)^2 ?
The solution to (x+2x)^2 is 9x^2