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Popular >

expand (x+2)^2(x+1)

Solution

expand

(x + 2)^{2} (x + 1)

Solution

x^{3} + 5 x^{2} + 8 x + 4

Solution steps

(x + 2)^{2} (x + 1)

Expand

(x + 2)^{2} : x^{2} + 4 x + 4

= (x^{2} + 4 x + 4) (x + 1)

Distribute parentheses

= x^{2} x + x^{2} \cdot 1 + 4 xx + 4 x \cdot 1 + 4 x + 4 \cdot 1

Simplify

x^{2} x + x^{2} \cdot 1 + 4 xx + 4 x \cdot 1 + 4 x + 4 \cdot 1 : x^{3} + 5 x^{2} + 8 x + 4

= x^{3} + 5 x^{2} + 8 x + 4

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Frequently Asked Questions (FAQ)

What is expand (x+2)^2(x+1) ?
The solution to expand (x+2)^2(x+1) is x^3+5x^2+8x+4