Solve for x. 4x^2 - 10 = 90

asked Oct 19, 2023 198k views

0 votes

Solve for x.

4x^2 - 10 = 90

by SSilk

4.6k points

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5 votes

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

Optimus Pette answered Oct 21, 2023

4.7k points

6 votes

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

Sergej Werfel answered Oct 24, 2023

4.7k points

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