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Popular >

expand (X+1)^2

Solution

expand

(X + 1)^{2}

Solution

X^{2} + 2 X + 1

Solution steps

(X + 1)^{2}

Apply Perfect Square Formula:

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

(X + 1)^{2} = X^{2} + 2 X \cdot 1 + 1^{2}

= X^{2} + 2 X \cdot 1 + 1^{2}

Simplify

X^{2} + 2 X \cdot 1 + 1^{2} : X^{2} + 2 X + 1

= X^{2} + 2 X + 1

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Frequently Asked Questions (FAQ)

What is expand (X+1)^2 ?
The solution to expand (X+1)^2 is X^2+2X+1