What is expand (3x-4)(3x^2-4x-5) ?

The solution to expand (3x-4)(3x^2-4x-5) is 9x^3-24x^2+x+20

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expand (3x-4)(3x^2-4x-5)

expand

(3 x - 4) (3 x^{2} - 4 x - 5)

9 x^{3} - 24 x^{2} + x + 20

Solution steps

(3 x - 4) (3 x^{2} - 4 x - 5)

Distribute parentheses

= 3 x \cdot 3 x^{2} + 3 x (- 4 x) + 3 x (- 5) - 4 \cdot 3 x^{2} - 4 (- 4 x) - 4 (- 5)

Simplify

3 x \cdot 3 x^{2} + 3 x (- 4 x) + 3 x (- 5) - 4 \cdot 3 x^{2} - 4 (- 4 x) - 4 (- 5) : 9 x^{3} - 24 x^{2} + x + 20

= 9 x^{3} - 24 x^{2} + x + 20

\frac{2 x - 6}{x ^{2} - 3 x}

\frac{- 12 + - 28}{32}

x^{3} - 9 x^{2} + 24 x - 20

m^{2} m

16 x^{2} - 46 x + 15

What is expand (3x-4)(3x^2-4x-5) ?
The solution to expand (3x-4)(3x^2-4x-5) is 9x^3-24x^2+x+20