What is expand (x+1)(3x^2+9x+2) ?

The solution to expand (x+1)(3x^2+9x+2) is 3x^3+12x^2+11x+2

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expand (x+1)(3x^2+9x+2)

expand

(x + 1) (3 x^{2} + 9 x + 2)

3 x^{3} + 12 x^{2} + 11 x + 2

Solution steps

(x + 1) (3 x^{2} + 9 x + 2)

Distribute parentheses

= x \cdot 3 x^{2} + x \cdot 9 x + x \cdot 2 + 1 \cdot 3 x^{2} + 1 \cdot 9 x + 1 \cdot 2

Simplify

x \cdot 3 x^{2} + x \cdot 9 x + x \cdot 2 + 1 \cdot 3 x^{2} + 1 \cdot 9 x + 1 \cdot 2 : 3 x^{3} + 12 x^{2} + 11 x + 2

= 3 x^{3} + 12 x^{2} + 11 x + 2

\frac{32}{48}

25 + 45 - 5 + 35

(\frac{2}{3} + \frac{2}{3} i)^{2}

(\frac{2 a ^{2}}{b ^{3}})^{3}

\frac{( - 35 x ^{2} y + 14 x ^{5} y ^{6} )}{( 7 x y ^{2} )}

What is expand (x+1)(3x^2+9x+2) ?
The solution to expand (x+1)(3x^2+9x+2) is 3x^3+12x^2+11x+2