What is (-4x^2-7)-(9x^2+4x) ?

The solution to (-4x^2-7)-(9x^2+4x) is -13x^2-4x-7

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simplify (-4x^2-7)-(9x^2+4x)

simplify

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

- 13 x^{2} - 4 x - 7

Solution steps

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

Apply rule:

(a) = a

(- 4 x^{2} - 7) = - 4 x^{2} - 7

= - 4 x^{2} - 7 - (9 x^{2} + 4 x)

Apply the distributive law:

- (a + b) = - a - b

- (9 x^{2} + 4 x) = - 9 x^{2} - 4 x

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

Group like terms

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

Add similar elements:

- 4 x^{2} - 9 x^{2} = - 13 x^{2}

= - 13 x^{2} - 4 x - 7

(1 0^{6})^{2}

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

(y^{3} + 1) - [(y^{2} + 1) + (3 y - 7)]

9 + (- 16)

- 5 x - 10

What is (-4x^2-7)-(9x^2+4x) ?
The solution to (-4x^2-7)-(9x^2+4x) is -13x^2-4x-7