If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -3x2 = 8x + -12 Reorder the terms: -3x2 = -12 + 8x Solving -3x2 = -12 + 8x Solving for variable 'x'. Reorder the terms: 12 + -8x + -3x2 = -12 + 8x + 12 + -8x Reorder the terms: 12 + -8x + -3x2 = -12 + 12 + 8x + -8x Combine like terms: -12 + 12 = 0 12 + -8x + -3x2 = 0 + 8x + -8x 12 + -8x + -3x2 = 8x + -8x Combine like terms: 8x + -8x = 0 12 + -8x + -3x2 = 0 Begin completing the square. Divide all terms by -3 the coefficient of the squared term: Divide each side by '-3'. -4 + 2.666666667x + x2 = 0 Move the constant term to the right: Add '4' to each side of the equation. -4 + 2.666666667x + 4 + x2 = 0 + 4 Reorder the terms: -4 + 4 + 2.666666667x + x2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 2.666666667x + x2 = 0 + 4 2.666666667x + x2 = 0 + 4 Combine like terms: 0 + 4 = 4 2.666666667x + x2 = 4 The x term is 2.666666667x. Take half its coefficient (1.333333334). Square it (1.777777780) and add it to both sides. Add '1.777777780' to each side of the equation. 2.666666667x + 1.777777780 + x2 = 4 + 1.777777780 Reorder the terms: 1.777777780 + 2.666666667x + x2 = 4 + 1.777777780 Combine like terms: 4 + 1.777777780 = 5.77777778 1.777777780 + 2.666666667x + x2 = 5.77777778 Factor a perfect square on the left side: (x + 1.333333334)(x + 1.333333334) = 5.77777778 Calculate the square root of the right side: 2.403700851 Break this problem into two subproblems by setting (x + 1.333333334) equal to 2.403700851 and -2.403700851.Subproblem 1
x + 1.333333334 = 2.403700851 Simplifying x + 1.333333334 = 2.403700851 Reorder the terms: 1.333333334 + x = 2.403700851 Solving 1.333333334 + x = 2.403700851 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.333333334' to each side of the equation. 1.333333334 + -1.333333334 + x = 2.403700851 + -1.333333334 Combine like terms: 1.333333334 + -1.333333334 = 0.000000000 0.000000000 + x = 2.403700851 + -1.333333334 x = 2.403700851 + -1.333333334 Combine like terms: 2.403700851 + -1.333333334 = 1.070367517 x = 1.070367517 Simplifying x = 1.070367517Subproblem 2
x + 1.333333334 = -2.403700851 Simplifying x + 1.333333334 = -2.403700851 Reorder the terms: 1.333333334 + x = -2.403700851 Solving 1.333333334 + x = -2.403700851 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.333333334' to each side of the equation. 1.333333334 + -1.333333334 + x = -2.403700851 + -1.333333334 Combine like terms: 1.333333334 + -1.333333334 = 0.000000000 0.000000000 + x = -2.403700851 + -1.333333334 x = -2.403700851 + -1.333333334 Combine like terms: -2.403700851 + -1.333333334 = -3.737034185 x = -3.737034185 Simplifying x = -3.737034185Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.070367517, -3.737034185}
| 4x+9=3+7x-6 | | 3(M+5)=42 | | 5x-10y=50 | | 7(2x+10)=0 | | ln(x-5)+ln(5x+1)=7 | | x^2=-7x-5 | | x^3-3x^2-18x= | | 5z-7-3z+5=0 | | 3x^2=9x-6 | | 5n-15=-14+6n | | 9m-5=-35+4m | | x^2+x-73= | | x^8+x^4-20= | | 16a+7c+5-7a+c= | | -2x^2+120=0 | | 6x^3-5x-1=0 | | 3(3+3x)-1=17 | | 3r+24=4r-8 | | 4e-19=3(e+4) | | k^2+3k=-54 | | 2x+5=9x-19 | | 3x+5=x-3y | | 3(3+3x)-7=17 | | -36=6(Y-2) | | 5-x=4x+5 | | 3a-5=2a+7 | | 2x+1x=-11 | | 15-2x=-13 | | 98n=6 | | 20-12i=5m+4ni | | 7x^2+14x-13=0 | | 7x^2-14x-13=0 |