Question

Simplify: (3x2 − 2) + (5x2 + 5x − 1)

8x2 + 5x − 3

8x2 + 5x − 1

2x2 + 5x − 3

8x2 + 7x − 1

Answer 1

Combine like terms.

Answer 2

10x?

Answer 3

How did you get 10x?

Answer 4

When you combine like terms, you just combine the numbers that has the same variable and/or exponents after them,

Answer 5

I did 3x+5x+5x=13x right?

Answer 6

But weren't there exponents after the 3x and 5x?

("3x2" − 2) + ("5x2" + 5x − 1)

Answer 7

it helps to pretend that both of the equations are stacked upon each other and you are basically just adding (like terms)

Answer 8

I'm Confused :(

Answer 9

(3x2 − 2) + (5x2 + 5x − 1)
+5x2+5x-1
8x2+5x-3

Answer 10

it is merely basic arithmetic

Answer 11

3x^2+5x^2=8x2
5x=5x
-2+(-1)=-3

Answer 12

when you add all of these together, your simplified product is 8x^2=5x-3 (standard form)

Answer 13

does that make sense @SOS101 ?

Answer 14

That makes a lot more sense, Thank you very much!

Answer 15

no problem XD