Question

Subtract
(9X^4+5X^3-8)-(8X^2-2X+8)

Answer 1

Subtract the terms with same variable of the same power, so
(9X^4+5X^3-8)-(8X^2-2X+8)
= (9X^4)+(5X^3)-(8X^2)-(-2X)-8 -(+8)
Can you work from here?

Answer 2

Is this right 9x^4+5x^3-8x^2+2

Answer 3

Nope
9x^4+5x^3-8x^2 => correct
+2 => incorreect
and you've missed a term

Answer 4

9x^4+5x^3-8x^2+2x

Answer 5

You've missed the constant term.

Answer 6

-8 -(+8) = -8-8, what would you get from here?

Answer 7

-16

Answer 8

9x^4+5x^3-8x^2+2x-16

Answer 9

Yes :)

Answer 10

Thanx

Answer 11

You're welcome :)