If it's not what You are looking for type in the equation solver your own equation and let us solve it.
10(x2+3)=-2x^2+x+12x^2
We move all terms to the left:
10(x2+3)-(-2x^2+x+12x^2)=0
We add all the numbers together, and all the variables
-(-2x^2+x+12x^2)+10(+x^2+3)=0
We multiply parentheses
-(-2x^2+x+12x^2)+10x^2+30=0
We get rid of parentheses
2x^2-12x^2+10x^2-x+30=0
We add all the numbers together, and all the variables
-1x+30=0
We move all terms containing x to the left, all other terms to the right
-x=-30
x=-30/-1
x=+30
| X2=x2+13 | | H=-16t^2+156t+87 | | -10m^2-17m+6=0 | | 5x+10=60+x | | 5x-21=2x+14 | | 5(t-1)=-5(t+4)+5 | | -8(x-4)=4(x-130 | | 9x^-6=0 | | 5x^+24=-26x | | 4c+54c+3=0 | | 11x-33/x-3=x | | 7x-6(14)=-42 | | c/2+2=1 | | x+4(x+2)=5x-4(x-6) | | 1.2x+7.2=4.8+3x | | 12x+7.2=4.8+3x | | 1.2x+2.4=3x | | x+x-7=33 | | 3+x-7=1 | | -6w-7+3w=37 | | 8+p-2=12 | | 3x+45=45x-18 | | 4x-0.1=2x | | 1.3x+1.7=-3.5 | | 8-11k-7k=59 | | (4b-2)=(5b+4) | | g^2-18g-88=35 | | 6d=-1 | | -13x=72 | | -6z=-2 | | (x-12)(x-5)=44 | | 2(3s+2)=58 |