b792k5ehta b792k5ehta
  • 21-09-2022
  • Mathematics
contestada

Solve for x.

4x^2 - 10 = 90

Respuesta :

sabrena2481 sabrena2481
  • 21-09-2022
Hope this helps :)

4x^2-10=90
Add 10 to each side
4x^2=100
Divide by 4
X^2=25
Get rid of the square
x=5
Answer Link
azii1
azii1 azii1
  • 21-09-2022
X = 5

4x^2 - 10 = 90

4x^2 = 90 + 10

4x^2 = 100

X^2 = 100/4

X^2 = 25

Square root of 25 X= 5
Answer Link

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