What is (-9n^4+8)-(-9n^4+2n^3+5n^2) ?

The solution to (-9n^4+8)-(-9n^4+2n^3+5n^2) is -2n^3-5n^2+8

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simplify (-9n^4+8)-(-9n^4+2n^3+5n^2)

simplify

(- 9 n^{4} + 8) - (- 9 n^{4} + 2 n^{3} + 5 n^{2})

- 2 n^{3} - 5 n^{2} + 8

Solution steps

(- 9 n^{4} + 8) - (- 9 n^{4} + 2 n^{3} + 5 n^{2})

Apply rule:

(a) = a

(- 9 n^{4} + 8) = - 9 n^{4} + 8

= - 9 n^{4} + 8 - (- 9 n^{4} + 2 n^{3} + 5 n^{2})

Apply the distributive law:

- (- a + b) = a - b

- (- 9 n^{4} + 2 n^{3} + 5 n^{2}) = 9 n^{4} - 2 n^{3} - 5 n^{2}

= - 9 n^{4} + 8 + 9 n^{4} - 2 n^{3} - 5 n^{2}

Group like terms

= - 9 n^{4} + 9 n^{4} - 2 n^{3} - 5 n^{2} + 8

Add similar elements:

- 9 n^{4} + 9 n^{4} = 0

= - 2 n^{3} - 5 n^{2} + 8

0.05 \cdot 9.8

10 x - (- 4) = 18

∣ x - 5 ∣ - 1 \leq 2

- 16 x^{2} + 4 x = 0

4 y^{2} - y - 3

What is (-9n^4+8)-(-9n^4+2n^3+5n^2) ?
The solution to (-9n^4+8)-(-9n^4+2n^3+5n^2) is -2n^3-5n^2+8