frogi58 frogi58

10-06-2016
Mathematics

contestada

Which equation shows the quadratic formula used correctly to solve 7x2 = 9 + x for x?

Respuesta :

JacobLeviste JacobLeviste

10-06-2016

For future reference, use a * to show the multiplication sign because in math x is a variable. 7*2 = 9 + x

Now multiply 7*2= 14

14 = 9 + x

Now subtract 9 from both sides to isolate the x

5 = x or x= 5

Answer Link

joshua062320 joshua062320

22-03-2021

Answer:

D

Step-by-step explanation:

Answer Link

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