Given the equation :
[tex]x^2+12=7x[/tex]Make all terms at one side:
[tex]x^2-7x+12=0[/tex]Factor the equation :
( x - 4 ) ( x - 3 ) = 0
Using the zero product to find x
So,
x - 4 = 0 OR x - 3 = 0
x = 4 OR x = 3
so, the answer is option 4. x = 3 or x = 4