If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 16x2 + 31x + -15 = 0 Reorder the terms: -15 + 31x + 16x2 = 0 Solving -15 + 31x + 16x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 16 the coefficient of the squared term: Divide each side by '16'. -0.9375 + 1.9375x + x2 = 0 Move the constant term to the right: Add '0.9375' to each side of the equation. -0.9375 + 1.9375x + 0.9375 + x2 = 0 + 0.9375 Reorder the terms: -0.9375 + 0.9375 + 1.9375x + x2 = 0 + 0.9375 Combine like terms: -0.9375 + 0.9375 = 0.0000 0.0000 + 1.9375x + x2 = 0 + 0.9375 1.9375x + x2 = 0 + 0.9375 Combine like terms: 0 + 0.9375 = 0.9375 1.9375x + x2 = 0.9375 The x term is 1.9375x. Take half its coefficient (0.96875). Square it (0.9384765625) and add it to both sides. Add '0.9384765625' to each side of the equation. 1.9375x + 0.9384765625 + x2 = 0.9375 + 0.9384765625 Reorder the terms: 0.9384765625 + 1.9375x + x2 = 0.9375 + 0.9384765625 Combine like terms: 0.9375 + 0.9384765625 = 1.8759765625 0.9384765625 + 1.9375x + x2 = 1.8759765625 Factor a perfect square on the left side: (x + 0.96875)(x + 0.96875) = 1.8759765625 Calculate the square root of the right side: 1.369662938 Break this problem into two subproblems by setting (x + 0.96875) equal to 1.369662938 and -1.369662938.Subproblem 1
x + 0.96875 = 1.369662938 Simplifying x + 0.96875 = 1.369662938 Reorder the terms: 0.96875 + x = 1.369662938 Solving 0.96875 + x = 1.369662938 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.96875' to each side of the equation. 0.96875 + -0.96875 + x = 1.369662938 + -0.96875 Combine like terms: 0.96875 + -0.96875 = 0.00000 0.00000 + x = 1.369662938 + -0.96875 x = 1.369662938 + -0.96875 Combine like terms: 1.369662938 + -0.96875 = 0.400912938 x = 0.400912938 Simplifying x = 0.400912938Subproblem 2
x + 0.96875 = -1.369662938 Simplifying x + 0.96875 = -1.369662938 Reorder the terms: 0.96875 + x = -1.369662938 Solving 0.96875 + x = -1.369662938 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.96875' to each side of the equation. 0.96875 + -0.96875 + x = -1.369662938 + -0.96875 Combine like terms: 0.96875 + -0.96875 = 0.00000 0.00000 + x = -1.369662938 + -0.96875 x = -1.369662938 + -0.96875 Combine like terms: -1.369662938 + -0.96875 = -2.338412938 x = -2.338412938 Simplifying x = -2.338412938Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.400912938, -2.338412938}
| 4x^2+4x=18 | | 7x+5=-5+4x+19 | | 3(2x-5)=-21 | | 130+35+2y+0=x | | 16=642n | | 130+35+2x+0=x | | y=9x+9 | | 74-4x=14x+15 | | 3n-8=23 | | 4y+5=2y+11 | | 12-10x=27-17x | | (x-4/x+1)/(x-3/x-1) | | -6(2z+1)=2(9-2z) | | 4x^2+x^3-12x+3x-36=0 | | 5(x+5)-4whenx=5 | | s=p-g/h | | 2x(3x^2-5x-3)= | | 24/210= | | g/h=e-10 | | 4t^2-32t+60=0 | | 3(6p-1)=9(2+p) | | 42*50=38*52 | | 4t^2-32+60=0 | | 5(x+5)-4x=5 | | 3(x-1)=4(x-2) | | 12n+5-10n+6+3n=41 | | x^2+x^2=75.69 | | x^3+4x^2+(-9x)+(-36)=0 | | 2x-1/3=x-3 | | y(5y+13)=6 | | -8+-2+0=g | | 6q+13=12q+2 |