If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -7x2 + -4x + -7 = 0 Reorder the terms: -7 + -4x + -7x2 = 0 Solving -7 + -4x + -7x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '-1'. -1(7 + 4x + 7x2) = 0 Ignore the factor -1.Subproblem 1
Set the factor '(7 + 4x + 7x2)' equal to zero and attempt to solve: Simplifying 7 + 4x + 7x2 = 0 Solving 7 + 4x + 7x2 = 0 Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. 1 + 0.5714285714x + x2 = 0 Move the constant term to the right: Add '-1' to each side of the equation. 1 + 0.5714285714x + -1 + x2 = 0 + -1 Reorder the terms: 1 + -1 + 0.5714285714x + x2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 0.5714285714x + x2 = 0 + -1 0.5714285714x + x2 = 0 + -1 Combine like terms: 0 + -1 = -1 0.5714285714x + x2 = -1 The x term is 0.5714285714x. Take half its coefficient (0.2857142857). Square it (0.08163265305) and add it to both sides. Add '0.08163265305' to each side of the equation. 0.5714285714x + 0.08163265305 + x2 = -1 + 0.08163265305 Reorder the terms: 0.08163265305 + 0.5714285714x + x2 = -1 + 0.08163265305 Combine like terms: -1 + 0.08163265305 = -0.91836734695 0.08163265305 + 0.5714285714x + x2 = -0.91836734695 Factor a perfect square on the left side: (x + 0.2857142857)(x + 0.2857142857) = -0.91836734695 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
| 16x+16=15x | | t^2+2t-38=0 | | 108-6x=12x+15 | | 10x+4x+2+6=3x+3+10 | | 3y-y+140= | | 3y+y+140= | | 5y+5=6 | | 2x^2+12x+9=x^2+6x | | -6x^2+6x-9=-9 | | (x+9)(x+13)=0 | | 0.74+0.04r=0.26r+0.08 | | S(t)=-120t+840 | | x^2-19x-150=0 | | 14x+7n=14n+28 | | a^2-4a-1=0 | | -6k^2+9k-2=-4k^2+5k | | 7.2=1.2m-4.8 | | 8-3m=4 | | -a^2-2a-6=-5 | | 13r-3r+r=46-2 | | 2x^3-15x^2+4x=0 | | 5=14w-9w | | 6a-1=5a+17-a | | 2x^2+20x+40=-2 | | 0.5(-4)+1= | | 2*2x+2*6x=90 | | -63=18 | | 2(-4)+1= | | 9y-3y-11=y+4 | | (5x-9)(3x+2)=0 | | 20x+3-16x+5=40 | | q/2-7=-6 |