Question

Which of the binomials below is a factor of this trinomial? x^2 - x - 30

A. x + 3
B. x - 5
C. x - 6
D. x + 10

Answer 1

let x^ 2 - x - 30 = ( x + a)(x + b)

ab must be = -30 and a + b = -1

this should help

Answer 2

so what letter is it @cwrw238

Answer 3

C

Answer 4

dont just give the answer Dtan1293...
plz the read open study guidelines

Answer 5

oh my bad, won't happen again

Answer 6

5*-6 = -30
and -6 + 5 = -1

so we get (x + 5)( x - 6)

C is correct