Simplify (x^4-9x+5x^7) + (5x-10+3x^4-2x^2)

Question

Mathematics

Alayna Gray

12 May, 12:40

Simplify (x^4-9x+5x^7) + (5x-10+3x^4-2x^2)

+5

Answers (1)

Know the Answer?

Maverick Vaughan · Answer 1

5x^7 + 4x^4 - 2x^2 - 4x - 10.

Step-by-step explanation:

(x^4 - 9x + 5x^7) + (5x - 10 + 3x^4 - 2x^2)

= x^4 - 9x + 5x^7 + 5x - 10 + 3x^4 - 2x^2

Combine like terms:

= 4x^4 - 4x - 2x^2 + 5x^7 - 10

Now rearrange to standard form (in decreasing degree):

= 5x^7 + 4x^4 - 2x^2 - 4x - 10.