Question

what times what gives 30 but at the same time when u add them up you get -7?

Answer 1

List the factors of 30

Answer 2

btw, did you mean -30 ?

Answer 3

10 and 3 10 and -3 30 and 1 2 and 15 5 and 6 6 and 5

Answer 4

no just 30

Answer 5

now see which of those factors add to -7

Answer 6

wait yeah - lol

Answer 7

can you find any?

Answer 8

it would be -10*3

Answer 9

that's -30 though

Answer 10

-10 times 3 = -30

-10 + 3 = -7

Answer 11

yeah sorry i ment -30 lol i timed wrong cause its 10*-3=-30

Answer 12

i gotcha

Answer 13

cause the problem is like this 10x^2-7x-3

Answer 14

yes, so -30 this means that -7x breaks down into -10x+3x

Answer 15

and that

10x^2-7x-3

becomes

10x^2-10x+3x-3

Answer 16

yeah thats what i thought ;)