What is expand (5x^2+x-4)(x+2) ?

The solution to expand (5x^2+x-4)(x+2) is 5x^3+11x^2-2x-8

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expand (5x^2+x-4)(x+2)

expand

(5 x^{2} + x - 4) (x + 2)

5 x^{3} + 11 x^{2} - 2 x - 8

Solution steps

(5 x^{2} + x - 4) (x + 2)

Distribute parentheses

= 5 x^{2} x + 5 x^{2} \cdot 2 + xx + x \cdot 2 - 4 x - 4 \cdot 2

Simplify

5 x^{2} x + 5 x^{2} \cdot 2 + xx + x \cdot 2 - 4 x - 4 \cdot 2 : 5 x^{3} + 11 x^{2} - 2 x - 8

= 5 x^{3} + 11 x^{2} - 2 x - 8

4 (2 x - 1)

\frac{4}{3} \cdot \frac{6}{5}

x^{3} + x^{2} y + x y^{2}

- 10 + (- 4)

69!

What is expand (5x^2+x-4)(x+2) ?
The solution to expand (5x^2+x-4)(x+2) is 5x^3+11x^2-2x-8