What is expand (3x+5)(3x^2-2x-6) ?

The solution to expand (3x+5)(3x^2-2x-6) is 9x^3+9x^2-28x-30

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expand (3x+5)(3x^2-2x-6)

expand

(3 x + 5) (3 x^{2} - 2 x - 6)

9 x^{3} + 9 x^{2} - 28 x - 30

Solution steps

(3 x + 5) (3 x^{2} - 2 x - 6)

Distribute parentheses

= 3 x \cdot 3 x^{2} + 3 x (- 2 x) + 3 x (- 6) + 5 \cdot 3 x^{2} + 5 (- 2 x) + 5 (- 6)

Simplify

3 x \cdot 3 x^{2} + 3 x (- 2 x) + 3 x (- 6) + 5 \cdot 3 x^{2} + 5 (- 2 x) + 5 (- 6) : 9 x^{3} + 9 x^{2} - 28 x - 30

= 9 x^{3} + 9 x^{2} - 28 x - 30

x^{4} + x^{3} - 3 x^{2} - x + 2

\frac{54}{8}

(x - 10) (x - 4)

\frac{1}{3 ( \frac{1}{3 x} )}

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

What is expand (3x+5)(3x^2-2x-6) ?
The solution to expand (3x+5)(3x^2-2x-6) is 9x^3+9x^2-28x-30