255877
255877 255877
  • 22-10-2021
  • Mathematics
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I need help asap plssss

I need help asap plssss class=

Respuesta :

tonb
tonb tonb
  • 22-10-2021

Answer:

x = -4

Step-by-step explanation:

(x - 5) (x + 4) = x^2 + 4x

If you expand this, you get:

x^2 - x - 20 = x^2 + 4x

graph similar terms together, the x^2 disappears:

-20 = 5x

x = -20/5 = -4

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