If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 28x2 + -40x + 33 = 81 Reorder the terms: 33 + -40x + 28x2 = 81 Solving 33 + -40x + 28x2 = 81 Solving for variable 'x'. Reorder the terms: 33 + -81 + -40x + 28x2 = 81 + -81 Combine like terms: 33 + -81 = -48 -48 + -40x + 28x2 = 81 + -81 Combine like terms: 81 + -81 = 0 -48 + -40x + 28x2 = 0 Factor out the Greatest Common Factor (GCF), '4'. 4(-12 + -10x + 7x2) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(-12 + -10x + 7x2)' equal to zero and attempt to solve: Simplifying -12 + -10x + 7x2 = 0 Solving -12 + -10x + 7x2 = 0 Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. -1.714285714 + -1.428571429x + x2 = 0 Move the constant term to the right: Add '1.714285714' to each side of the equation. -1.714285714 + -1.428571429x + 1.714285714 + x2 = 0 + 1.714285714 Reorder the terms: -1.714285714 + 1.714285714 + -1.428571429x + x2 = 0 + 1.714285714 Combine like terms: -1.714285714 + 1.714285714 = 0.000000000 0.000000000 + -1.428571429x + x2 = 0 + 1.714285714 -1.428571429x + x2 = 0 + 1.714285714 Combine like terms: 0 + 1.714285714 = 1.714285714 -1.428571429x + x2 = 1.714285714 The x term is -1.428571429x. Take half its coefficient (-0.7142857145). Square it (0.5102040819) and add it to both sides. Add '0.5102040819' to each side of the equation. -1.428571429x + 0.5102040819 + x2 = 1.714285714 + 0.5102040819 Reorder the terms: 0.5102040819 + -1.428571429x + x2 = 1.714285714 + 0.5102040819 Combine like terms: 1.714285714 + 0.5102040819 = 2.2244897959 0.5102040819 + -1.428571429x + x2 = 2.2244897959 Factor a perfect square on the left side: (x + -0.7142857145)(x + -0.7142857145) = 2.2244897959 Calculate the square root of the right side: 1.491472358 Break this problem into two subproblems by setting (x + -0.7142857145) equal to 1.491472358 and -1.491472358.Subproblem 1
x + -0.7142857145 = 1.491472358 Simplifying x + -0.7142857145 = 1.491472358 Reorder the terms: -0.7142857145 + x = 1.491472358 Solving -0.7142857145 + x = 1.491472358 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.7142857145' to each side of the equation. -0.7142857145 + 0.7142857145 + x = 1.491472358 + 0.7142857145 Combine like terms: -0.7142857145 + 0.7142857145 = 0.0000000000 0.0000000000 + x = 1.491472358 + 0.7142857145 x = 1.491472358 + 0.7142857145 Combine like terms: 1.491472358 + 0.7142857145 = 2.2057580725 x = 2.2057580725 Simplifying x = 2.2057580725Subproblem 2
x + -0.7142857145 = -1.491472358 Simplifying x + -0.7142857145 = -1.491472358 Reorder the terms: -0.7142857145 + x = -1.491472358 Solving -0.7142857145 + x = -1.491472358 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.7142857145' to each side of the equation. -0.7142857145 + 0.7142857145 + x = -1.491472358 + 0.7142857145 Combine like terms: -0.7142857145 + 0.7142857145 = 0.0000000000 0.0000000000 + x = -1.491472358 + 0.7142857145 x = -1.491472358 + 0.7142857145 Combine like terms: -1.491472358 + 0.7142857145 = -0.7771866435 x = -0.7771866435 Simplifying x = -0.7771866435Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.2057580725, -0.7771866435}Solution
x = {2.2057580725, -0.7771866435}
| 5x+2.7=8.2 | | 2x+3yi=x-6i | | 6(4x-3)-10x=14x-5 | | y=4x^2-2x^2+3 | | 5=z^3+3z^2-54z+5 | | 6=(3/5)z | | -3y^2+4y-4=0 | | 2y+4x=8x | | 6x^2-15+2=2x^2+10x-4 | | 7x^2+41=69 | | x^4+8x^2+36=0 | | (X-5)=50 | | 2=32t | | (x^2)-2+ln(x)=0 | | f(a)=2 | | 2log(x-2)=4 | | 5x+-3=-28 | | (X+17)(x+11)=0 | | 10(x-6)=120 | | 6x-21=3+2w | | 7.3y-5.18=5.9 | | mx+b=0 | | 9x+6=10.5 | | -4.8t+6.4=-8.48 | | 10y=7x | | 30x-120=0 | | 4+2.25=-3.7 | | log(5x^2y)= | | g(a)=56 | | 11=-5x-3 | | 0.6=-5t^2+7t | | 117b=-391 |