ab1s2ggkiClayev ab1s2ggkiClayev
  • 07-01-2017
  • Mathematics
contestada

What are the solutions to the quadratic equation 4x2 + 28x = 0?

x = 4 and x = −7
x = 4 and x = 7
x = 0 and x = −7
x = 0 and x = 7

Respuesta :

Brittxny
Brittxny Brittxny
  • 07-01-2017
4x^2 + 28x = 0

First step: take out the GCF

4x(x + 7) = 0

2nd step: equal each expression to 0

4x = 0
(x + 7) = 0

3rd: solve

4x= 0
x = 0
x + 7 = 0
x= -7

So the answer is x= 0 and x= -7
Answer Link
jwfrazier4
jwfrazier4 jwfrazier4
  • 12-09-2019

Answer:

x=0

x= -7

Step-by-step explanation:

just took the test

Answer Link

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