If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -7x2 + 5x + -2 = 0 Reorder the terms: -2 + 5x + -7x2 = 0 Solving -2 + 5x + -7x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -7 the coefficient of the squared term: Divide each side by '-7'. 0.2857142857 + -0.7142857143x + x2 = 0 Move the constant term to the right: Add '-0.2857142857' to each side of the equation. 0.2857142857 + -0.7142857143x + -0.2857142857 + x2 = 0 + -0.2857142857 Reorder the terms: 0.2857142857 + -0.2857142857 + -0.7142857143x + x2 = 0 + -0.2857142857 Combine like terms: 0.2857142857 + -0.2857142857 = 0.0000000000 0.0000000000 + -0.7142857143x + x2 = 0 + -0.2857142857 -0.7142857143x + x2 = 0 + -0.2857142857 Combine like terms: 0 + -0.2857142857 = -0.2857142857 -0.7142857143x + x2 = -0.2857142857 The x term is -0.7142857143x. Take half its coefficient (-0.3571428572). Square it (0.1275510204) and add it to both sides. Add '0.1275510204' to each side of the equation. -0.7142857143x + 0.1275510204 + x2 = -0.2857142857 + 0.1275510204 Reorder the terms: 0.1275510204 + -0.7142857143x + x2 = -0.2857142857 + 0.1275510204 Combine like terms: -0.2857142857 + 0.1275510204 = -0.1581632653 0.1275510204 + -0.7142857143x + x2 = -0.1581632653 Factor a perfect square on the left side: (x + -0.3571428572)(x + -0.3571428572) = -0.1581632653 Can't calculate square root of the right side. The solution to this equation could not be determined.
| 18+x=23+6 | | 4(8x-5)=54 | | 2x^2+1=18 | | 4.05p+14.50=(p+3) | | x+0.05x=3000 | | 1/6d | | 3x-6y=28 | | 5n+15=3-2n | | 12x^2+x=63 | | 6x^2-16xy+8y^2=0 | | 2(x+2)=24 | | 2x+5=4x-7 | | 6=2-2D | | (60-x)-4=5(x-6) | | t/5+2t/3 | | 2/5(x+y)=3 | | 2/5(x+3)=3 | | 6+2(X)=20 | | 35b/20b-15/20b | | 8/(z-1)=3 | | 12x+4+2z=39 | | 2/3+1/6y=2 | | X+1/4=10+1-2x/3 | | 500+90y=5000 | | 4(6*8)=y | | (2x*-y)= | | 5m-6=19 | | x^2+ax+a^2=0 | | 4n+6-2n-2n=2(n+3) | | 2ln(2x+10)-10=0 | | 3k/4+2k-7k/6 | | 3x+7x+6-5= |