If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 2.87x2 + -12.92x + -7.18 = 0 Reorder the terms: -7.18 + -12.92x + 2.87x2 = 0 Solving -7.18 + -12.92x + 2.87x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 2.87 the coefficient of the squared term: Divide each side by '2.87'. -2.50174216 + -4.50174216x + x2 = 0 Move the constant term to the right: Add '2.50174216' to each side of the equation. -2.50174216 + -4.50174216x + 2.50174216 + x2 = 0 + 2.50174216 Reorder the terms: -2.50174216 + 2.50174216 + -4.50174216x + x2 = 0 + 2.50174216 Combine like terms: -2.50174216 + 2.50174216 = 0.00000000 0.00000000 + -4.50174216x + x2 = 0 + 2.50174216 -4.50174216x + x2 = 0 + 2.50174216 Combine like terms: 0 + 2.50174216 = 2.50174216 -4.50174216x + x2 = 2.50174216 The x term is -4.50174216x. Take half its coefficient (-2.25087108). Square it (5.066420619) and add it to both sides. Add '5.066420619' to each side of the equation. -4.50174216x + 5.066420619 + x2 = 2.50174216 + 5.066420619 Reorder the terms: 5.066420619 + -4.50174216x + x2 = 2.50174216 + 5.066420619 Combine like terms: 2.50174216 + 5.066420619 = 7.568162779 5.066420619 + -4.50174216x + x2 = 7.568162779 Factor a perfect square on the left side: (x + -2.25087108)(x + -2.25087108) = 7.568162779 Calculate the square root of the right side: 2.751029404 Break this problem into two subproblems by setting (x + -2.25087108) equal to 2.751029404 and -2.751029404.Subproblem 1
x + -2.25087108 = 2.751029404 Simplifying x + -2.25087108 = 2.751029404 Reorder the terms: -2.25087108 + x = 2.751029404 Solving -2.25087108 + x = 2.751029404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.25087108' to each side of the equation. -2.25087108 + 2.25087108 + x = 2.751029404 + 2.25087108 Combine like terms: -2.25087108 + 2.25087108 = 0.00000000 0.00000000 + x = 2.751029404 + 2.25087108 x = 2.751029404 + 2.25087108 Combine like terms: 2.751029404 + 2.25087108 = 5.001900484 x = 5.001900484 Simplifying x = 5.001900484Subproblem 2
x + -2.25087108 = -2.751029404 Simplifying x + -2.25087108 = -2.751029404 Reorder the terms: -2.25087108 + x = -2.751029404 Solving -2.25087108 + x = -2.751029404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.25087108' to each side of the equation. -2.25087108 + 2.25087108 + x = -2.751029404 + 2.25087108 Combine like terms: -2.25087108 + 2.25087108 = 0.00000000 0.00000000 + x = -2.751029404 + 2.25087108 x = -2.751029404 + 2.25087108 Combine like terms: -2.751029404 + 2.25087108 = -0.500158324 x = -0.500158324 Simplifying x = -0.500158324Solution
The solution to the problem is based on the solutions from the subproblems. x = {5.001900484, -0.500158324}
| 7-2(y+2)=11 | | 18-3n=12 | | 4x-3(3x-5)=2x | | 60-x=15+x | | y=3.6(1.25)x | | -7x=-10x+3x | | X-34=-46 | | x+x+25+2x-34=455 | | 5x-1=2x+12 | | 2y+5=-5 | | 5-3(5x-1)=23 | | 3+5(2x+3)=8 | | 4+3(x-1)=7 | | -3p+7=5-(10p+4) | | 7-2(x+2)=11 | | 2(x+1)+3(2-x)=9 | | 9+5m-5=9m+11-3m | | 0=-12(3z+1)+5(8z+3) | | -9(3x-2)-4(5-6x)=0 | | 7(4x+3)+6(7+5x)=0 | | 12x+27=6x+123 | | x(x+1)=72 | | 6x=24000 | | 2y^2+6y+9=9 | | n+6=15 | | y=3.6(1.25) | | 12000+x=30000 | | .833333333x-.2x+4=.7x | | 2(9x-1)-3(2x+1)+4=5(4x+3) | | 4x^2+14x+11=0 | | 1.6= | | -4x-3(8x+1)-5(4-3x)=-1+2(4-5x) |