If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + -2x + -13 = 0 Reorder the terms: -13 + -2x + 7x2 = 0 Solving -13 + -2x + 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'. -1.857142857 + -0.2857142857x + x2 = 0 Move the constant term to the right: Add '1.857142857' to each side of the equation. -1.857142857 + -0.2857142857x + 1.857142857 + x2 = 0 + 1.857142857 Reorder the terms: -1.857142857 + 1.857142857 + -0.2857142857x + x2 = 0 + 1.857142857 Combine like terms: -1.857142857 + 1.857142857 = 0.000000000 0.000000000 + -0.2857142857x + x2 = 0 + 1.857142857 -0.2857142857x + x2 = 0 + 1.857142857 Combine like terms: 0 + 1.857142857 = 1.857142857 -0.2857142857x + x2 = 1.857142857 The x term is -0.2857142857x. Take half its coefficient (-0.1428571429). Square it (0.02040816328) and add it to both sides. Add '0.02040816328' to each side of the equation. -0.2857142857x + 0.02040816328 + x2 = 1.857142857 + 0.02040816328 Reorder the terms: 0.02040816328 + -0.2857142857x + x2 = 1.857142857 + 0.02040816328 Combine like terms: 1.857142857 + 0.02040816328 = 1.87755102028 0.02040816328 + -0.2857142857x + x2 = 1.87755102028 Factor a perfect square on the left side: (x + -0.1428571429)(x + -0.1428571429) = 1.87755102028 Calculate the square root of the right side: 1.370237578 Break this problem into two subproblems by setting (x + -0.1428571429) equal to 1.370237578 and -1.370237578.Subproblem 1
x + -0.1428571429 = 1.370237578 Simplifying x + -0.1428571429 = 1.370237578 Reorder the terms: -0.1428571429 + x = 1.370237578 Solving -0.1428571429 + x = 1.370237578 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1428571429' to each side of the equation. -0.1428571429 + 0.1428571429 + x = 1.370237578 + 0.1428571429 Combine like terms: -0.1428571429 + 0.1428571429 = 0.0000000000 0.0000000000 + x = 1.370237578 + 0.1428571429 x = 1.370237578 + 0.1428571429 Combine like terms: 1.370237578 + 0.1428571429 = 1.5130947209 x = 1.5130947209 Simplifying x = 1.5130947209Subproblem 2
x + -0.1428571429 = -1.370237578 Simplifying x + -0.1428571429 = -1.370237578 Reorder the terms: -0.1428571429 + x = -1.370237578 Solving -0.1428571429 + x = -1.370237578 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1428571429' to each side of the equation. -0.1428571429 + 0.1428571429 + x = -1.370237578 + 0.1428571429 Combine like terms: -0.1428571429 + 0.1428571429 = 0.0000000000 0.0000000000 + x = -1.370237578 + 0.1428571429 x = -1.370237578 + 0.1428571429 Combine like terms: -1.370237578 + 0.1428571429 = -1.2273804351 x = -1.2273804351 Simplifying x = -1.2273804351Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.5130947209, -1.2273804351}
| -7x+9=1-7x | | 5(3y-2)+8=48 | | 4(x+4)=(6x-2) | | x=48x^3-162 | | 1-3x=3-3x | | 5x+36+x+2x=180 | | fx=48x^3-162 | | -7-5x=-5x-7-6x | | g-5=6.03 | | (x-6)(x+7)=-2(x+12) | | 5x^2+125=180 | | 5x^2+125=360 | | -7+n=n-7 | | 5x+36=x+2x | | -10-4x=-5 | | 48-6x=-12x | | y(12x+16z)=x(12y+14z) | | 28x^2-164x=24 | | 17x-8=-25 | | -3(1-h)=-6-6n | | -1t-23=-15 | | X+5+7=11 | | -6=-24x-15 | | f(x)=ln(121sin^2x) | | y(12x+16z)=z(14x+16y) | | 2x+8x=80 | | 9y-15=-45+4y | | -2(x-8)-23=-7 | | x(12y+14z)=z(14x+16y) | | 23-x=47 | | z(14x+16y)=y(12x+16z) | | 8n-11=13+2n |