If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -7.2x2 + -33.1x + 18.3 = 0 Reorder the terms: 18.3 + -33.1x + -7.2x2 = 0 Solving 18.3 + -33.1x + -7.2x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -7.2 the coefficient of the squared term: Divide each side by '-7.2'. -2.541666667 + 4.597222222x + x2 = 0 Move the constant term to the right: Add '2.541666667' to each side of the equation. -2.541666667 + 4.597222222x + 2.541666667 + x2 = 0 + 2.541666667 Reorder the terms: -2.541666667 + 2.541666667 + 4.597222222x + x2 = 0 + 2.541666667 Combine like terms: -2.541666667 + 2.541666667 = 0.000000000 0.000000000 + 4.597222222x + x2 = 0 + 2.541666667 4.597222222x + x2 = 0 + 2.541666667 Combine like terms: 0 + 2.541666667 = 2.541666667 4.597222222x + x2 = 2.541666667 The x term is 4.597222222x. Take half its coefficient (2.298611111). Square it (5.283613040) and add it to both sides. Add '5.283613040' to each side of the equation. 4.597222222x + 5.283613040 + x2 = 2.541666667 + 5.283613040 Reorder the terms: 5.283613040 + 4.597222222x + x2 = 2.541666667 + 5.283613040 Combine like terms: 2.541666667 + 5.283613040 = 7.825279707 5.283613040 + 4.597222222x + x2 = 7.825279707 Factor a perfect square on the left side: (x + 2.298611111)(x + 2.298611111) = 7.825279707 Calculate the square root of the right side: 2.797370141 Break this problem into two subproblems by setting (x + 2.298611111) equal to 2.797370141 and -2.797370141.Subproblem 1
x + 2.298611111 = 2.797370141 Simplifying x + 2.298611111 = 2.797370141 Reorder the terms: 2.298611111 + x = 2.797370141 Solving 2.298611111 + x = 2.797370141 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.298611111' to each side of the equation. 2.298611111 + -2.298611111 + x = 2.797370141 + -2.298611111 Combine like terms: 2.298611111 + -2.298611111 = 0.000000000 0.000000000 + x = 2.797370141 + -2.298611111 x = 2.797370141 + -2.298611111 Combine like terms: 2.797370141 + -2.298611111 = 0.49875903 x = 0.49875903 Simplifying x = 0.49875903Subproblem 2
x + 2.298611111 = -2.797370141 Simplifying x + 2.298611111 = -2.797370141 Reorder the terms: 2.298611111 + x = -2.797370141 Solving 2.298611111 + x = -2.797370141 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.298611111' to each side of the equation. 2.298611111 + -2.298611111 + x = -2.797370141 + -2.298611111 Combine like terms: 2.298611111 + -2.298611111 = 0.000000000 0.000000000 + x = -2.797370141 + -2.298611111 x = -2.797370141 + -2.298611111 Combine like terms: -2.797370141 + -2.298611111 = -5.095981252 x = -5.095981252 Simplifying x = -5.095981252Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.49875903, -5.095981252}
| U/3-3.1=-7.9 | | 2x+6=3(9-x) | | -5=5/8n | | 14z=9z-5+4z | | 109+5x=119+4x | | 1/4y-3/7=1/7y-9/4 | | 15x-7=8x-56 | | 8(x+1)-(5x-6)=6 | | 5(3n-3)=6(8+n) | | (x/3)-(x/4)=(7/4) | | (5x-4)(x+10)=7 | | 8-8x-6-4x=5 | | -12=y^2+20y | | 12vw^3x^6+16v^4w^5=0 | | (4x-3)(1x+1)=0 | | 2x^3+10x^4-12x=0 | | ln(4x+3x^2)=0 | | 5q-3n= | | 5q-3n/m | | 8-10x=38-17x | | x-7.7=-3.7 | | 1/3n-6=11 | | -12=4/7n | | 8z=4z-1+3z | | x+.36x=1500000 | | 7x+2(2-x)=5x+8 | | -8(c-y)= | | 7x-5(4)=34 | | 3574/3574 | | x-(.36x)=1000000 | | 5x-2=50x+7 | | (x-6)(3x-2)-(x+4)(x-2)= |