What is expand (4x+9)(-x^2-3x+1) ?

The solution to expand (4x+9)(-x^2-3x+1) is -4x^3-21x^2-23x+9

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expand (4x+9)(-x^2-3x+1)

expand

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

- 4 x^{3} - 21 x^{2} - 23 x + 9

Solution steps

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

Distribute parentheses

= 4 x (- x^{2}) + 4 x (- 3 x) + 4 x \cdot 1 + 9 (- x^{2}) + 9 (- 3 x) + 9 \cdot 1

Simplify

4 x (- x^{2}) + 4 x (- 3 x) + 4 x \cdot 1 + 9 (- x^{2}) + 9 (- 3 x) + 9 \cdot 1 : - 4 x^{3} - 21 x^{2} - 23 x + 9

= - 4 x^{3} - 21 x^{2} - 23 x + 9

3 x^{2} + 6 x + 45

5 a + 3 b + 5 b

2 x (x)

(- 2.4)^{2}

144 - 25 x^{2}

What is expand (4x+9)(-x^2-3x+1) ?
The solution to expand (4x+9)(-x^2-3x+1) is -4x^3-21x^2-23x+9