If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + 3x + -28 = 0 Reorder the terms: -28 + 3x + 7x2 = 0 Solving -28 + 3x + 7x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. -4 + 0.4285714286x + x2 = 0 Move the constant term to the right: Add '4' to each side of the equation. -4 + 0.4285714286x + 4 + x2 = 0 + 4 Reorder the terms: -4 + 4 + 0.4285714286x + x2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 0.4285714286x + x2 = 0 + 4 0.4285714286x + x2 = 0 + 4 Combine like terms: 0 + 4 = 4 0.4285714286x + x2 = 4 The x term is 0.4285714286x. Take half its coefficient (0.2142857143). Square it (0.04591836735) and add it to both sides. Add '0.04591836735' to each side of the equation. 0.4285714286x + 0.04591836735 + x2 = 4 + 0.04591836735 Reorder the terms: 0.04591836735 + 0.4285714286x + x2 = 4 + 0.04591836735 Combine like terms: 4 + 0.04591836735 = 4.04591836735 0.04591836735 + 0.4285714286x + x2 = 4.04591836735 Factor a perfect square on the left side: (x + 0.2142857143)(x + 0.2142857143) = 4.04591836735 Calculate the square root of the right side: 2.011446834 Break this problem into two subproblems by setting (x + 0.2142857143) equal to 2.011446834 and -2.011446834.Subproblem 1
x + 0.2142857143 = 2.011446834 Simplifying x + 0.2142857143 = 2.011446834 Reorder the terms: 0.2142857143 + x = 2.011446834 Solving 0.2142857143 + x = 2.011446834 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2142857143' to each side of the equation. 0.2142857143 + -0.2142857143 + x = 2.011446834 + -0.2142857143 Combine like terms: 0.2142857143 + -0.2142857143 = 0.0000000000 0.0000000000 + x = 2.011446834 + -0.2142857143 x = 2.011446834 + -0.2142857143 Combine like terms: 2.011446834 + -0.2142857143 = 1.7971611197 x = 1.7971611197 Simplifying x = 1.7971611197Subproblem 2
x + 0.2142857143 = -2.011446834 Simplifying x + 0.2142857143 = -2.011446834 Reorder the terms: 0.2142857143 + x = -2.011446834 Solving 0.2142857143 + x = -2.011446834 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2142857143' to each side of the equation. 0.2142857143 + -0.2142857143 + x = -2.011446834 + -0.2142857143 Combine like terms: 0.2142857143 + -0.2142857143 = 0.0000000000 0.0000000000 + x = -2.011446834 + -0.2142857143 x = -2.011446834 + -0.2142857143 Combine like terms: -2.011446834 + -0.2142857143 = -2.2257325483 x = -2.2257325483 Simplifying x = -2.2257325483Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.7971611197, -2.2257325483}
| 8a+12b=96 | | -7(4x+4)=-280 | | 0=100+10t(0.5)-4.9t^2 | | X-2.34=6.8 | | 3.82-2.5y=1 | | F(x)=5c-3 | | -2x-1=62+7x | | -6(-4x-8)=192 | | y=(5x-4x^2)^1/5 | | 5(1+10j)= | | 19x+5=21x-7 | | 4t^2+16t=-120 | | 5(-2x+7)=-85 | | 3m-6m=15 | | -4(-3+4x)=12 | | 28.05+b=92.5 | | 0.47=x+0.4x | | 2.4n+1.4=8.7 | | 2xg=230 | | 3x+6-8x+32=-2 | | 6(-7x+6)=330 | | 3xsquare-5x-2=0 | | 3y=2(y+1) | | M+1.52=-36.61 | | 3(2x+4)=8x+12-2x | | 9x-2x+58=9x+26 | | 2+6x=-7x-102 | | -3(-2x+7)=-69 | | 0.243=-3.6 | | -15=-3r+2r | | 10x-3x+99=10x+54 | | Vover-6+1=0 |