If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 15x2 + -8x + -18 = 0 Reorder the terms: -18 + -8x + 15x2 = 0 Solving -18 + -8x + 15x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 15 the coefficient of the squared term: Divide each side by '15'. -1.2 + -0.5333333333x + x2 = 0 Move the constant term to the right: Add '1.2' to each side of the equation. -1.2 + -0.5333333333x + 1.2 + x2 = 0 + 1.2 Reorder the terms: -1.2 + 1.2 + -0.5333333333x + x2 = 0 + 1.2 Combine like terms: -1.2 + 1.2 = 0.0 0.0 + -0.5333333333x + x2 = 0 + 1.2 -0.5333333333x + x2 = 0 + 1.2 Combine like terms: 0 + 1.2 = 1.2 -0.5333333333x + x2 = 1.2 The x term is -0.5333333333x. Take half its coefficient (-0.2666666667). Square it (0.07111111113) and add it to both sides. Add '0.07111111113' to each side of the equation. -0.5333333333x + 0.07111111113 + x2 = 1.2 + 0.07111111113 Reorder the terms: 0.07111111113 + -0.5333333333x + x2 = 1.2 + 0.07111111113 Combine like terms: 1.2 + 0.07111111113 = 1.27111111113 0.07111111113 + -0.5333333333x + x2 = 1.27111111113 Factor a perfect square on the left side: (x + -0.2666666667)(x + -0.2666666667) = 1.27111111113 Calculate the square root of the right side: 1.127435635 Break this problem into two subproblems by setting (x + -0.2666666667) equal to 1.127435635 and -1.127435635.Subproblem 1
x + -0.2666666667 = 1.127435635 Simplifying x + -0.2666666667 = 1.127435635 Reorder the terms: -0.2666666667 + x = 1.127435635 Solving -0.2666666667 + x = 1.127435635 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2666666667' to each side of the equation. -0.2666666667 + 0.2666666667 + x = 1.127435635 + 0.2666666667 Combine like terms: -0.2666666667 + 0.2666666667 = 0.0000000000 0.0000000000 + x = 1.127435635 + 0.2666666667 x = 1.127435635 + 0.2666666667 Combine like terms: 1.127435635 + 0.2666666667 = 1.3941023017 x = 1.3941023017 Simplifying x = 1.3941023017Subproblem 2
x + -0.2666666667 = -1.127435635 Simplifying x + -0.2666666667 = -1.127435635 Reorder the terms: -0.2666666667 + x = -1.127435635 Solving -0.2666666667 + x = -1.127435635 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2666666667' to each side of the equation. -0.2666666667 + 0.2666666667 + x = -1.127435635 + 0.2666666667 Combine like terms: -0.2666666667 + 0.2666666667 = 0.0000000000 0.0000000000 + x = -1.127435635 + 0.2666666667 x = -1.127435635 + 0.2666666667 Combine like terms: -1.127435635 + 0.2666666667 = -0.8607689683 x = -0.8607689683 Simplifying x = -0.8607689683Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.3941023017, -0.8607689683}
| 2x^2+6x-5=0 | | -6n^2+15n=0 | | 14x-9/20= | | 4x-4+10x-5= | | 12+6=8 | | y=x^2-10c+25 | | 2(2-2c)=28 | | -4.9x^2+2x+10=0 | | 12+6x=-4x^2 | | 8x-2+4x+14=180 | | 5z+9=2z-3 | | p/8+5=9 | | 8x-2=4x+14 | | 98-3x=24x+23 | | 4x-8=28-2x | | 500-25x=-250+50x | | 7-x+3x-3-8x= | | -5(x+4)=-6x | | s=2*2.14rh | | -3(7n-4)+4n= | | (3y+1)+25= | | 7.7(x-2)=-0.3x+40.6 | | -81=-9k | | 10x-5x=5 | | -8=a+3 | | -5(n-1)-4h= | | 1x^2-3x+2=0 | | -2(9p+5)= | | y=.75x+2 | | 6(d+1)= | | 6(2x+3)=-9 | | 3y-7+5y-9= |