What is expand (x+3)(3x^2+7x-5) ?

The solution to expand (x+3)(3x^2+7x-5) is 3x^3+16x^2+16x-15

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expand (x+3)(3x^2+7x-5)

expand

(x + 3) (3 x^{2} + 7 x - 5)

3 x^{3} + 16 x^{2} + 16 x - 15

Solution steps

(x + 3) (3 x^{2} + 7 x - 5)

Distribute parentheses

= x \cdot 3 x^{2} + x \cdot 7 x + x (- 5) + 3 \cdot 3 x^{2} + 3 \cdot 7 x + 3 (- 5)

Simplify

x \cdot 3 x^{2} + x \cdot 7 x + x (- 5) + 3 \cdot 3 x^{2} + 3 \cdot 7 x + 3 (- 5) : 3 x^{3} + 16 x^{2} + 16 x - 15

= 3 x^{3} + 16 x^{2} + 16 x - 15

- 5 \cdot (- 5)

6 \times (- 4)

- 3 \times (- 5)

- 4 \cdot (- 2)

(- 2 + 5 i)^{3}

What is expand (x+3)(3x^2+7x-5) ?
The solution to expand (x+3)(3x^2+7x-5) is 3x^3+16x^2+16x-15