informalthingz informalthingz

11-05-2020
Mathematics

contestada

Manipulate the quadratic equation x2 - 9x = -20 so the equation
equals O, then factor the quadratic using the grouping method, and
find the x-intercepts.

Respuesta :

hamzazafer04 hamzazafer04

11-05-2020

Answer:

x^2-9x+20=0

Step-by-step explanation:

(x−4)(x−5)

(4,0)(5,0)

Answer Link

nehatommy04 nehatommy04

11-05-2020

x^2 - 9x + 20 = 0
x^2 - 4x - 5x + 20 = 0
x(x-4)-5(x-4)=0
(x-5)(x-4)=0
x-4=0
x=0+4
x=4
x-5=0
x=0+5
x=5

Answer Link

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