ij2826 ij2826
  • 19-12-2019
  • Mathematics
contestada

factor the polynomial completely x^2-x-20

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MathPhys
MathPhys MathPhys
  • 19-12-2019

Answer:

(x − 5) (x + 4)

Step-by-step explanation:

x² − x − 20

Factor using AC method:

1 × -20 = -20

Factors of -20 that add up to -1: -5 and 4

Divide by 1 and reduce: -5/1 and 4/1

(x − 5) (x + 4)

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BasketballEinstein
BasketballEinstein BasketballEinstein
  • 20-12-2019

Answer:

[tex]\displaystyle [x + 4][x - 5][/tex]

Step-by-step explanation:

Find two quantities that when differed to −1, they also multiply to −20, and those numbers are 4 and −5.

I am joyous to assist you anytime.

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