Question

Factor completely: 2x2 − 2x − 40

2(x − 5)(x + 4)

(2x − 10)(x + 4)

(x − 5)(2x + 8)

2(x − 4)(x + 5)

Answer 1

@jigglypuff314

Answer 2

B?

Answer 3

factor out 2 so 2x^2 − 2x − 40 = 2(x^2 - x - 20)
^ ^
so should multiply to -20 and add to -1
and should have 2 in front because factored

Answer 4

so C?

Answer 5

does C have a 2 in front?

Answer 6

Oops I meant D.

Answer 7

2(x − 4)(x + 5)
^ ^ does -4 + 5 = -1 ?

Answer 8

no.

Answer 9

so it's A?

Answer 10

yes :)

Answer 11

Wooo whooo! haha