Question

Add.
(x^5 + 7x^3 – 9) + (4x^5 – 2x^3 + 13)

Answer 1

Get rid of the parentheses and add up the like terms.

Answer 2

do i add the exponents too?

Answer 3

No. In multiplication you add exponents but not in addition.

Answer 4

4x^5 + 9x^3 + 22 is this right

Answer 5

Would it help if I showed the expression like this?\[(x^5 +4x^5)+ (7x^3 - 2x^3) +(-9+ 13) \]

Answer 6

i still dont understand, can you show the steps in finding the answer maybe

Answer 7

What is\[1x^5+4x^5=?\]

Answer 8

5x^5

Answer 9

Correct! What is\[7x^3-2x^3=?\]

Answer 10

5x^3

Answer 11

Correct. When adding polynomials, you must add and subtract like expressions. What is \[-9+13=?\]