If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 18x2 + -6x + -13 = 0 Reorder the terms: -13 + -6x + 18x2 = 0 Solving -13 + -6x + 18x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 18 the coefficient of the squared term: Divide each side by '18'. -0.7222222222 + -0.3333333333x + x2 = 0 Move the constant term to the right: Add '0.7222222222' to each side of the equation. -0.7222222222 + -0.3333333333x + 0.7222222222 + x2 = 0 + 0.7222222222 Reorder the terms: -0.7222222222 + 0.7222222222 + -0.3333333333x + x2 = 0 + 0.7222222222 Combine like terms: -0.7222222222 + 0.7222222222 = 0.0000000000 0.0000000000 + -0.3333333333x + x2 = 0 + 0.7222222222 -0.3333333333x + x2 = 0 + 0.7222222222 Combine like terms: 0 + 0.7222222222 = 0.7222222222 -0.3333333333x + x2 = 0.7222222222 The x term is -0.3333333333x. Take half its coefficient (-0.1666666667). Square it (0.02777777779) and add it to both sides. Add '0.02777777779' to each side of the equation. -0.3333333333x + 0.02777777779 + x2 = 0.7222222222 + 0.02777777779 Reorder the terms: 0.02777777779 + -0.3333333333x + x2 = 0.7222222222 + 0.02777777779 Combine like terms: 0.7222222222 + 0.02777777779 = 0.74999999999 0.02777777779 + -0.3333333333x + x2 = 0.74999999999 Factor a perfect square on the left side: (x + -0.1666666667)(x + -0.1666666667) = 0.74999999999 Calculate the square root of the right side: 0.866025404 Break this problem into two subproblems by setting (x + -0.1666666667) equal to 0.866025404 and -0.866025404.Subproblem 1
x + -0.1666666667 = 0.866025404 Simplifying x + -0.1666666667 = 0.866025404 Reorder the terms: -0.1666666667 + x = 0.866025404 Solving -0.1666666667 + x = 0.866025404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1666666667' to each side of the equation. -0.1666666667 + 0.1666666667 + x = 0.866025404 + 0.1666666667 Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000 0.0000000000 + x = 0.866025404 + 0.1666666667 x = 0.866025404 + 0.1666666667 Combine like terms: 0.866025404 + 0.1666666667 = 1.0326920707 x = 1.0326920707 Simplifying x = 1.0326920707Subproblem 2
x + -0.1666666667 = -0.866025404 Simplifying x + -0.1666666667 = -0.866025404 Reorder the terms: -0.1666666667 + x = -0.866025404 Solving -0.1666666667 + x = -0.866025404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1666666667' to each side of the equation. -0.1666666667 + 0.1666666667 + x = -0.866025404 + 0.1666666667 Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000 0.0000000000 + x = -0.866025404 + 0.1666666667 x = -0.866025404 + 0.1666666667 Combine like terms: -0.866025404 + 0.1666666667 = -0.6993587373 x = -0.6993587373 Simplifying x = -0.6993587373Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.0326920707, -0.6993587373}
| x+3x=88 | | 15n^2-7np-2p^2= | | 0.7w-0.3w+0.1w=4 | | 4z^2+3z-2=0 | | -3x+x-5x=3 | | 5c^2+21c-20= | | 9p-17p=32 | | 3x^2-5x-8=y | | 2(x+2)(x+2)=-22x+5 | | (25b-7)-6(4b+1)=-6 | | 4x-(3x+6)=-2 | | 7x+5x+3+9=3x+4+8x | | -5y+8=-6y+1 | | 4(2x-7)+6=-12+8x+40 | | -5y+8=6y+1 | | (9x-4)(4x+9)=0 | | 0.4w-0.3w+0.4w=2 | | 10x-5x-3x=4 | | x^2-2x-168=0 | | 4s-12s=40 | | 2x^2-4x-336=0 | | -t=90 | | 7a^2+48a-7= | | m^2-2m+5=-1+2i | | 5m=0 | | -12x=-96 | | m^2-2m+5=1+2i | | 12t=-63 | | -[2z-(5z+2)]=2+(2z+7) | | X+2.1=6.2 | | X-7.5=7.6 | | X+-7.4=-5.4 |