Question

will give medal can someone factor
y= -x^2-2x+8

Answer 1

I would use the FOIL method

Answer 2

well you can rewrite it as

\[y = -(x^2 + 2x - 8)\]

so now find the factors of -8 that add to 2...

the larger factor is positive and the smaller is negative

Answer 3

@campbell_st will 4 be positive

Answer 4

it will so the other factor is ..?

Answer 5

nvm its no good i know its not 4+(-2)

Answer 6

its 4 x -2 = -8
4 + -2 = 2

so it factors to

y = -(x + 4)(x - 2)

Answer 7

it can be written

y = (2 - x)(x + 4)

which is another version of the factored form

Answer 8

thanks for helping