tmoore202141
tmoore202141 tmoore202141
  • 23-04-2021
  • Mathematics
contestada

x^2-8x-63=-10x how to solve by factoring?

Respuesta :

rosemass420
rosemass420 rosemass420
  • 23-04-2021

Answer: look at the picture

Step-by-step explanation: Hope this help :D

Ver imagen rosemass420
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EPSTER1
EPSTER1 EPSTER1
  • 23-04-2021

Answer:

(x-7)(x+9)

Step-by-step explanation:

[tex]x^2-8x-63=-10x[/tex]

Add 10x,

[tex]x^2+2x-63=0[/tex]

Factor:

[tex]x^2+9x-7x-63=0[/tex]

[tex]x(x+9)-7(x+9)=0[/tex]

[tex](x-7)(x+9)=0[/tex]

X-Intercepts:

[tex]x-7=0[/tex]

[tex]x=7[/tex]

[tex]x+9=0[/tex]

[tex]x=-9[/tex]

Answer Link

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