Question

(7y2-3y)+(8y2-8y)

Answer 1

Since this is adding, you can pretend like the parentheses arent there. Try adding like terms:
\[7y ^{2}+8y ^{2}\]
and
\[-3y + -8y\]

Answer 2

\[(7y ^-3)+(8y ^-8y)\]

Answer 3

Honestly, i dont get how you got that. What;s 7y^2+8y^2?

Answer 4

i have no idea im still new on here a tryin to figer everything out

Answer 5

i keep getting zero

Answer 6

ok, whats 7 plus 8?

Answer 7

15

Answer 8

Ok, so thats the same as 7y^2+8y^2= 15y^2

Answer 9

Now try it with -3 + -8

Answer 10

-11

Answer 11

Good! Now you have 15y^2 - 11y

Answer 12

4y^

Answer 13

i think

Answer 14

4y^2 sorry

Answer 15

Nope, what i posted last was the answer.

Answer 16

it said combine like terms soryi should have told u that

Answer 17

Yeah, i figured. Like i said, the answer i gave, 15y^2-11y is in combined like terms form.

Answer 18

ohhhhh i get it now thank you so much

Answer 19

No problem!!

Answer 20

would u mind helpin me ith a nother one? if not that is fine

Answer 21

Sure, just close this post and open another one!

Answer 22

(3y^2-7y-9)-(4y^2+6y+9)
combine like terms