Question

Which of the binomials below is a factor of this trinomial?

x2 - 5x - 36

Answer 1

HI!!

Answer 2

you have to think of two numbers whose product is \(-36\) and that add to give \(-5\)

Answer 3

for example, it is not \(-12\) and \(3\) because although \(-12\times 3=-36\) they add to \(-12+3=-9\) so not those two