If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 39x2 + 55x + 12 = 0 Reorder the terms: 12 + 55x + 39x2 = 0 Solving 12 + 55x + 39x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 39 the coefficient of the squared term: Divide each side by '39'. 0.3076923077 + 1.41025641x + x2 = 0 Move the constant term to the right: Add '-0.3076923077' to each side of the equation. 0.3076923077 + 1.41025641x + -0.3076923077 + x2 = 0 + -0.3076923077 Reorder the terms: 0.3076923077 + -0.3076923077 + 1.41025641x + x2 = 0 + -0.3076923077 Combine like terms: 0.3076923077 + -0.3076923077 = 0.0000000000 0.0000000000 + 1.41025641x + x2 = 0 + -0.3076923077 1.41025641x + x2 = 0 + -0.3076923077 Combine like terms: 0 + -0.3076923077 = -0.3076923077 1.41025641x + x2 = -0.3076923077 The x term is 1.41025641x. Take half its coefficient (0.705128205). Square it (0.4972057855) and add it to both sides. Add '0.4972057855' to each side of the equation. 1.41025641x + 0.4972057855 + x2 = -0.3076923077 + 0.4972057855 Reorder the terms: 0.4972057855 + 1.41025641x + x2 = -0.3076923077 + 0.4972057855 Combine like terms: -0.3076923077 + 0.4972057855 = 0.1895134778 0.4972057855 + 1.41025641x + x2 = 0.1895134778 Factor a perfect square on the left side: (x + 0.705128205)(x + 0.705128205) = 0.1895134778 Calculate the square root of the right side: 0.435331457 Break this problem into two subproblems by setting (x + 0.705128205) equal to 0.435331457 and -0.435331457.Subproblem 1
x + 0.705128205 = 0.435331457 Simplifying x + 0.705128205 = 0.435331457 Reorder the terms: 0.705128205 + x = 0.435331457 Solving 0.705128205 + x = 0.435331457 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.705128205' to each side of the equation. 0.705128205 + -0.705128205 + x = 0.435331457 + -0.705128205 Combine like terms: 0.705128205 + -0.705128205 = 0.000000000 0.000000000 + x = 0.435331457 + -0.705128205 x = 0.435331457 + -0.705128205 Combine like terms: 0.435331457 + -0.705128205 = -0.269796748 x = -0.269796748 Simplifying x = -0.269796748Subproblem 2
x + 0.705128205 = -0.435331457 Simplifying x + 0.705128205 = -0.435331457 Reorder the terms: 0.705128205 + x = -0.435331457 Solving 0.705128205 + x = -0.435331457 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.705128205' to each side of the equation. 0.705128205 + -0.705128205 + x = -0.435331457 + -0.705128205 Combine like terms: 0.705128205 + -0.705128205 = 0.000000000 0.000000000 + x = -0.435331457 + -0.705128205 x = -0.435331457 + -0.705128205 Combine like terms: -0.435331457 + -0.705128205 = -1.140459662 x = -1.140459662 Simplifying x = -1.140459662Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.269796748, -1.140459662}
| 4(x-3)-16=x+9 | | 5=x^2-3x-2 | | 3.4x-0.88=1.36-2.2x | | 4(x-16)-3=4x-67 | | 3x^2-17=x^2+81 | | -3(2n+2)=22 | | 3+4y=8y-1/5 | | 4(x-3)-16=4x-28 | | 1/2x^2-9=-1 | | 3+4/y=8y-1/5 | | 4(x-3)-16=4x+9 | | -4y+4=-2(4y+6) | | 3/4(w+8)=1/3(w-7) | | 10=-5(4x+1)+21x | | -2(x+5)-2=-12 | | 5/6+1/5t=4/6 | | 8y^2=968 | | 37=-3+5(j-6) | | -21=3y-21 | | 13x^2=-3x^3-4x | | -2a+12+8a=7a-5a | | 0=3y-21 | | 21=3y-21 | | 9-2x+15=14 | | X^2-5x=3x+33 | | 1050+700+4x=750+400+10x | | y=6-1 | | 2/3x+1/2=5/6 | | 38+(28n/2)-5n*3 | | -6n+4=-2n-12 | | x+2(-2)=-9 | | z-7z=6z-3-z |