Question

resultado de 4ײ-36=0 ?

Answer 1

4x²=36
x²= 36/4
x²=9
x=√9
x= 3

Answer 2

$4x^2-36=0\\ 4x^2=0+36\\ 4x^2=36\\ x^2= \frac{36}{4}\\ x^2= 9\\ x= \frac{+} \\\sqrt{9} \\ x= \frac{+} \\3$