bowlingangela01
bowlingangela01 bowlingangela01
  • 12-11-2018
  • Mathematics
contestada

Select the two binomials that are factors of this trinomial.
x2 – x – 30
A.x – 6
B.x + 10
C.x + 5
D.x + 3

Respuesta :

tramserran
tramserran tramserran
  • 12-11-2018

Answer: A & C

Step-by-step explanation:

x² - x - 30

            ∧

          1  -30 = -29

          2  -15 = -13

          3   -10 = -7

          5    -6 = -1     This is equal to the b-value of -1 so THIS WORKS!

(x + 5) (x - 6)

Answer Link
apologiabiology
apologiabiology apologiabiology
  • 12-11-2018

for [tex]x^2-x-30[/tex]

find what 2 numbers multiply to get -30 and add to get -1

-6 and 5

factors to (x-6)(x+5)

so answers are A and C

Answer Link

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