If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -40 + 21x + 12x2 = 0 Solving -40 + 21x + 12x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 12 the coefficient of the squared term: Divide each side by '12'. -3.333333333 + 1.75x + x2 = 0 Move the constant term to the right: Add '3.333333333' to each side of the equation. -3.333333333 + 1.75x + 3.333333333 + x2 = 0 + 3.333333333 Reorder the terms: -3.333333333 + 3.333333333 + 1.75x + x2 = 0 + 3.333333333 Combine like terms: -3.333333333 + 3.333333333 = 0.000000000 0.000000000 + 1.75x + x2 = 0 + 3.333333333 1.75x + x2 = 0 + 3.333333333 Combine like terms: 0 + 3.333333333 = 3.333333333 1.75x + x2 = 3.333333333 The x term is 1.75x. Take half its coefficient (0.875). Square it (0.765625) and add it to both sides. Add '0.765625' to each side of the equation. 1.75x + 0.765625 + x2 = 3.333333333 + 0.765625 Reorder the terms: 0.765625 + 1.75x + x2 = 3.333333333 + 0.765625 Combine like terms: 3.333333333 + 0.765625 = 4.098958333 0.765625 + 1.75x + x2 = 4.098958333 Factor a perfect square on the left side: (x + 0.875)(x + 0.875) = 4.098958333 Calculate the square root of the right side: 2.024588435 Break this problem into two subproblems by setting (x + 0.875) equal to 2.024588435 and -2.024588435.Subproblem 1
x + 0.875 = 2.024588435 Simplifying x + 0.875 = 2.024588435 Reorder the terms: 0.875 + x = 2.024588435 Solving 0.875 + x = 2.024588435 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.875' to each side of the equation. 0.875 + -0.875 + x = 2.024588435 + -0.875 Combine like terms: 0.875 + -0.875 = 0.000 0.000 + x = 2.024588435 + -0.875 x = 2.024588435 + -0.875 Combine like terms: 2.024588435 + -0.875 = 1.149588435 x = 1.149588435 Simplifying x = 1.149588435Subproblem 2
x + 0.875 = -2.024588435 Simplifying x + 0.875 = -2.024588435 Reorder the terms: 0.875 + x = -2.024588435 Solving 0.875 + x = -2.024588435 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.875' to each side of the equation. 0.875 + -0.875 + x = -2.024588435 + -0.875 Combine like terms: 0.875 + -0.875 = 0.000 0.000 + x = -2.024588435 + -0.875 x = -2.024588435 + -0.875 Combine like terms: -2.024588435 + -0.875 = -2.899588435 x = -2.899588435 Simplifying x = -2.899588435Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.149588435, -2.899588435}
| 2x(2x-3)=15-2x | | z^4-iz^3+2i=0 | | -37000x+625000=0 | | 2x+21=9 | | 5(x-2)=2(4-x) | | 625000=37000(0)+b | | -3x+22=-4x+15 | | 2(2x-1)=-6 | | 625000=-52285.7142857(50)+b | | 10-((2x+1)-x)=3x | | 2(5x+5)-2=4x-4 | | 2(5x-2)+9=45 | | -x+27=5(2x+1) | | 4y-2y=7y+13 | | 28y=3[16-4(1-1y)] | | 25=2.1(1)+b | | 3-2x=2(3-xy) | | y=5x+8x-32 | | 3-2s=2(3-st) | | sinx=-0.03 | | 3logx-2= | | 34*13-88+x=408 | | 2x^2-abs(x)-15=0 | | w+14=8 | | 2x^2-absx-15=0 | | 2x-3=-3x+22 | | 10x-3y-9x+5y= | | lnx+ln(x-2)=2 | | 15+0.5x=26 | | 210-5x=-1470 | | f(x)=2x-5cosx | | x^2-2x+y^2+4y=0 |