If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
7x * 3x = 12
Reorder the terms for easier multiplication:
7 * 3x * x = 12
Multiply 7 * 3
21x * x = 12
Multiply x * x
21x2 = 12
Solving
21x2 = 12
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '21'.
x2 = 0.5714285714
Simplifying
x2 = 0.5714285714
Take the square root of each side:
x = {-0.755928946, 0.755928946}
| (8+u)(5u+3)=0 | | 90*2x=105*x | | sin(4x)+cos(4x)= | | 4(a+b)-3a= | | 2x^2+3xy-4y^2+2x-3y+1=0 | | -5b-6=-21 | | 13(-x+5)=-x-13x+65 | | x^2-y^2-8x+2y+8=0 | | 6x(3.4+6.2)=15.2(6x-13) | | 13(-x+5)=-x-13+65 | | 2x(c-9)=3c-(36-6x) | | 4(-4k-4)-3(4k+1)= | | 5+log(3x-7)=3 | | -2(3a-7)+3(4a+7)= | | -9=6+3r | | 6+66x=33x+42 | | -2m-6=16 | | (x^2-6x+10)(x^2-6x+5)=0 | | 6+66x=33x+42x | | -5(4x+6)-6x=9 | | 25+5=10 | | 8(3x-4)-4x=8 | | 10y^2=-90 | | x/10+31=11 | | y^2-2y=2-4t | | 6r^2-16-6=0 | | 10+5h=20 | | 2(t-3)-2(3t-4)=2+4(t-6) | | 2y-3x=-23 | | -6(3x-6)+5(x-6)= | | 8-6k=7k+34 | | 8(x^4+y^4)-4(x^2+y^2)+1=0 |