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

The solution to expand (-2x^2-x+2)(-2x^2+x-7) is 4x^4+9x^2+9x-14

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

expand

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

4 x^{4} + 9 x^{2} + 9 x - 14

Solution steps

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

Distribute parentheses

= - 2 x^{2} (- 2 x^{2}) - 2 x^{2} x - 2 x^{2} (- 7) - x (- 2 x^{2}) - xx - x (- 7) + 2 (- 2 x^{2}) + 2 x + 2 (- 7)

Simplify

- 2 x^{2} (- 2 x^{2}) - 2 x^{2} x - 2 x^{2} (- 7) - x (- 2 x^{2}) - xx - x (- 7) + 2 (- 2 x^{2}) + 2 x + 2 (- 7) : 4 x^{4} + 9 x^{2} + 9 x - 14

= 4 x^{4} + 9 x^{2} + 9 x - 14

\frac{128}{32}

(5 - 3 i) (1 + i)

m^{6}

4 x^{3} \cdot x^{3}

lo g_{2} (60) - lo g_{2} (15)

What is expand (-2x^2-x+2)(-2x^2+x-7) ?
The solution to expand (-2x^2-x+2)(-2x^2+x-7) is 4x^4+9x^2+9x-14