If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + -16x + -112 = 0 Reorder the terms: -112 + -16x + 7x2 = 0 Solving -112 + -16x + 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'. -16 + -2.285714286x + x2 = 0 Move the constant term to the right: Add '16' to each side of the equation. -16 + -2.285714286x + 16 + x2 = 0 + 16 Reorder the terms: -16 + 16 + -2.285714286x + x2 = 0 + 16 Combine like terms: -16 + 16 = 0 0 + -2.285714286x + x2 = 0 + 16 -2.285714286x + x2 = 0 + 16 Combine like terms: 0 + 16 = 16 -2.285714286x + x2 = 16 The x term is -2.285714286x. Take half its coefficient (-1.142857143). Square it (1.306122449) and add it to both sides. Add '1.306122449' to each side of the equation. -2.285714286x + 1.306122449 + x2 = 16 + 1.306122449 Reorder the terms: 1.306122449 + -2.285714286x + x2 = 16 + 1.306122449 Combine like terms: 16 + 1.306122449 = 17.306122449 1.306122449 + -2.285714286x + x2 = 17.306122449 Factor a perfect square on the left side: (x + -1.142857143)(x + -1.142857143) = 17.306122449 Calculate the square root of the right side: 4.160062794 Break this problem into two subproblems by setting (x + -1.142857143) equal to 4.160062794 and -4.160062794.Subproblem 1
x + -1.142857143 = 4.160062794 Simplifying x + -1.142857143 = 4.160062794 Reorder the terms: -1.142857143 + x = 4.160062794 Solving -1.142857143 + x = 4.160062794 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.142857143' to each side of the equation. -1.142857143 + 1.142857143 + x = 4.160062794 + 1.142857143 Combine like terms: -1.142857143 + 1.142857143 = 0.000000000 0.000000000 + x = 4.160062794 + 1.142857143 x = 4.160062794 + 1.142857143 Combine like terms: 4.160062794 + 1.142857143 = 5.302919937 x = 5.302919937 Simplifying x = 5.302919937Subproblem 2
x + -1.142857143 = -4.160062794 Simplifying x + -1.142857143 = -4.160062794 Reorder the terms: -1.142857143 + x = -4.160062794 Solving -1.142857143 + x = -4.160062794 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.142857143' to each side of the equation. -1.142857143 + 1.142857143 + x = -4.160062794 + 1.142857143 Combine like terms: -1.142857143 + 1.142857143 = 0.000000000 0.000000000 + x = -4.160062794 + 1.142857143 x = -4.160062794 + 1.142857143 Combine like terms: -4.160062794 + 1.142857143 = -3.017205651 x = -3.017205651 Simplifying x = -3.017205651Solution
The solution to the problem is based on the solutions from the subproblems. x = {5.302919937, -3.017205651}
| 4x+5=3x+20 | | 12-6n=-30 | | 6x+1=1+6 | | log(2)(5x+7)=4 | | 3x^(3/4)=375 | | -4(y+4)=4 | | -2(a+9)=16 | | 8x+16=60 | | 34+22=3h | | 5x+9=5x+49 | | 13-3x=5x+3 | | 25+90+(2x+25)=180 | | 25+90+(2x+25)=189 | | -4(x+15)=20 | | g=yx+m | | 12x+12=2(2y-3) | | 2x-5=-x+3 | | 6x+30=2y+12 | | c=60+0.05t | | 4(4X-1)2=-1 | | -3x-3=-3+3x | | -3x-3=-3+3 | | n(x)=17 | | -2+4x=-8-19x | | 4d+6d=1.2 | | 3y+13+2y+2+5y-5=180 | | 4logx+2logx= | | 1125=1155 | | 8=-2A^2+16 | | X^2+7=-68 | | 30-(3/4x) | | (1-x/48)x=260 |