If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
2x2 + 8 + -12 = 0
Reorder the terms:
8 + -12 + 2x2 = 0
Combine like terms: 8 + -12 = -4
-4 + 2x2 = 0
Solving
-4 + 2x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '4' to each side of the equation.
-4 + 4 + 2x2 = 0 + 4
Combine like terms: -4 + 4 = 0
0 + 2x2 = 0 + 4
2x2 = 0 + 4
Combine like terms: 0 + 4 = 4
2x2 = 4
Divide each side by '2'.
x2 = 2
Simplifying
x2 = 2
Take the square root of each side:
x = {-1.414213562, 1.414213562}
| 5(106-x)+50(x)=3005 | | 5x+7=3(x+2) | | 3n^2+9=-12 | | A+4a=13(x+a)-x | | 60x=8x+25 | | 12.06+17.7g=15.9g-16.74 | | (72+30)m=450+30m | | 2x-0.36x=-6.42 | | 12.06-17.7g=15.9g-16.74 | | (72+30)m=(450+30)m | | 12x+20=17x | | x-2=12x-50 | | x^3-21=-20 | | 19-5v=-14v-17+3v | | -3x+4=3x+24 | | 72m+30=450m+30 | | -4x+8-4x=x | | 13x+8y-6=4 | | 4y=34 | | 4b-12=5b | | 72+30m=450+30m | | 4.05p+14.40=4.50(x+2) | | P*V=n*R*TforR | | 1.5x-4.5=-4.5 | | -12x^4+14x^2y^2+40q^4=0 | | 132.87=18.99+.78m | | -3d+15=-7-d | | S(7)=0.04(7)3+0.8(7)2+8(7)+9 | | 2x-8=11x+8 | | f(4)=4(4)+1 | | f(2)=4(2)+1 | | -2x=120+8x |