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

The solution to expand (2x^2-9x-9)(2x^2-x+1) is 4x^4-20x^3-7x^2-9

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

expand

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

4 x^{4} - 20 x^{3} - 7 x^{2} - 9

Solution steps

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

Distribute parentheses

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

Simplify

2 x^{2} \cdot 2 x^{2} + 2 x^{2} (- x) + 2 x^{2} \cdot 1 - 9 x \cdot 2 x^{2} - 9 x (- x) - 9 x \cdot 1 - 9 \cdot 2 x^{2} - 9 (- x) - 9 \cdot 1 : 4 x^{4} - 20 x^{3} - 7 x^{2} - 9

= 4 x^{4} - 20 x^{3} - 7 x^{2} - 9

b^{2} + b

\frac{- 30}{- 3}

14 x^{2} - 33 x - 5

k^{2} - 13 k + 36

lo g_{12} (1728)

What is expand (2x^2-9x-9)(2x^2-x+1) ?
The solution to expand (2x^2-9x-9)(2x^2-x+1) is 4x^4-20x^3-7x^2-9