If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
7x2 + -13 + -2 = 0
Reorder the terms:
-13 + -2 + 7x2 = 0
Combine like terms: -13 + -2 = -15
-15 + 7x2 = 0
Solving
-15 + 7x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '15' to each side of the equation.
-15 + 15 + 7x2 = 0 + 15
Combine like terms: -15 + 15 = 0
0 + 7x2 = 0 + 15
7x2 = 0 + 15
Combine like terms: 0 + 15 = 15
7x2 = 15
Divide each side by '7'.
x2 = 2.142857143
Simplifying
x2 = 2.142857143
Take the square root of each side:
x = {-1.463850109, 1.463850109}
| 6+8x+8x=6 | | 10(3t+6)+2t= | | 14u-9u=25 | | -9=-5.1y+y | | 13x+21x-4=44 | | 2ln(x-1)=ln(4x+8) | | -22=2w-8 | | 2x=(3660/4 | | sqrt(10-x^3)+sqrt(x^2+3)=5 | | 2x+y=-23 | | 82-35-29=18 | | 211-w=276 | | 85+x+x+73=156 | | y=2x^3+2x^2-40x | | -8p-6p=14 | | 87+w=155 | | a-28=29 | | (3z/8)-3=7 | | t=-4.9t^2+0t+70 | | t^3-6t^2+3=0 | | 3b-2b=-6 | | 5x-(13x+2)=1 | | Y=6tan(3x) | | 7x+16+5x+5=29 | | 89-53-29=18 | | 7+4(5w-1)=-3(2w-6)+8w | | x^2-0.5x=0.75 | | 5x+14=4+6x | | 10z-6=8 | | 4z/5-3z/8=1 | | 3p-20=50 | | f(12)8-(6)=43 |