What is expand (x+3)(x^2+2x+1) ?

The solution to expand (x+3)(x^2+2x+1) is x^3+5x^2+7x+3

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expand (x+3)(x^2+2x+1)

expand

(x + 3) (x^{2} + 2 x + 1)

x^{3} + 5 x^{2} + 7 x + 3

Solution steps

(x + 3) (x^{2} + 2 x + 1)

Distribute parentheses

= x x^{2} + x \cdot 2 x + x \cdot 1 + 3 x^{2} + 3 \cdot 2 x + 3 \cdot 1

Simplify

x x^{2} + x \cdot 2 x + x \cdot 1 + 3 x^{2} + 3 \cdot 2 x + 3 \cdot 1 : x^{3} + 5 x^{2} + 7 x + 3

= x^{3} + 5 x^{2} + 7 x + 3

(2 - x) (x + 1)

510 \cdot 210

\frac{x ^{2}}{2} \times \frac{1}{x}

2 (3 - 5 c)

(x + 0.2)^{2}

What is expand (x+3)(x^2+2x+1) ?
The solution to expand (x+3)(x^2+2x+1) is x^3+5x^2+7x+3