Question

Find the sum.

4x^2 + 7x^2 =

Answer 1

Same thing.
You have 4 of x^2 being added to 7 of x^2

how many x^2's do you have?

Answer 2

These are like terms since they both have x^2. Therefore, just add the coefficients.
4x^2 + 7x^2 = 11x^2

Answer 3

Thanks everyone. Sorry about all the similar questions I'm just unsure of myself haha.

Answer 4

No worries ;)

Answer 5

\[5(x2 + y) + y2 \]

Answer 6

x=3 y=6