Answer:
[tex]x=5[/tex]
Step-by-step explanation:
Given equation:
[tex]4x^2=100[/tex]
Divide each side by 4:
[tex]4x^2/4=100/4[/tex]
[tex]x^{2} =25[/tex]
Square root each side:
[tex]\sqrt{x^2}=\sqrt{25}[/tex]
