If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 66x2 + -55x + 7 = 0 Reorder the terms: 7 + -55x + 66x2 = 0 Solving 7 + -55x + 66x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 66 the coefficient of the squared term: Divide each side by '66'. 0.1060606061 + -0.8333333333x + x2 = 0 Move the constant term to the right: Add '-0.1060606061' to each side of the equation. 0.1060606061 + -0.8333333333x + -0.1060606061 + x2 = 0 + -0.1060606061 Reorder the terms: 0.1060606061 + -0.1060606061 + -0.8333333333x + x2 = 0 + -0.1060606061 Combine like terms: 0.1060606061 + -0.1060606061 = 0.0000000000 0.0000000000 + -0.8333333333x + x2 = 0 + -0.1060606061 -0.8333333333x + x2 = 0 + -0.1060606061 Combine like terms: 0 + -0.1060606061 = -0.1060606061 -0.8333333333x + x2 = -0.1060606061 The x term is -0.8333333333x. Take half its coefficient (-0.4166666667). Square it (0.1736111111) and add it to both sides. Add '0.1736111111' to each side of the equation. -0.8333333333x + 0.1736111111 + x2 = -0.1060606061 + 0.1736111111 Reorder the terms: 0.1736111111 + -0.8333333333x + x2 = -0.1060606061 + 0.1736111111 Combine like terms: -0.1060606061 + 0.1736111111 = 0.067550505 0.1736111111 + -0.8333333333x + x2 = 0.067550505 Factor a perfect square on the left side: (x + -0.4166666667)(x + -0.4166666667) = 0.067550505 Calculate the square root of the right side: 0.2599048 Break this problem into two subproblems by setting (x + -0.4166666667) equal to 0.2599048 and -0.2599048.Subproblem 1
x + -0.4166666667 = 0.2599048 Simplifying x + -0.4166666667 = 0.2599048 Reorder the terms: -0.4166666667 + x = 0.2599048 Solving -0.4166666667 + x = 0.2599048 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4166666667' to each side of the equation. -0.4166666667 + 0.4166666667 + x = 0.2599048 + 0.4166666667 Combine like terms: -0.4166666667 + 0.4166666667 = 0.0000000000 0.0000000000 + x = 0.2599048 + 0.4166666667 x = 0.2599048 + 0.4166666667 Combine like terms: 0.2599048 + 0.4166666667 = 0.6765714667 x = 0.6765714667 Simplifying x = 0.6765714667Subproblem 2
x + -0.4166666667 = -0.2599048 Simplifying x + -0.4166666667 = -0.2599048 Reorder the terms: -0.4166666667 + x = -0.2599048 Solving -0.4166666667 + x = -0.2599048 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4166666667' to each side of the equation. -0.4166666667 + 0.4166666667 + x = -0.2599048 + 0.4166666667 Combine like terms: -0.4166666667 + 0.4166666667 = 0.0000000000 0.0000000000 + x = -0.2599048 + 0.4166666667 x = -0.2599048 + 0.4166666667 Combine like terms: -0.2599048 + 0.4166666667 = 0.1567618667 x = 0.1567618667 Simplifying x = 0.1567618667Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.6765714667, 0.1567618667}
| s^2+9=0 | | -4x+8y=24 | | 13+40x=13+5x | | 8y=7x+8 | | 8(x-6)+11(x-3)=19x-8 | | 10x-5-81+21x=45 | | 4t-5=2t-1 | | 10x+2-9x=10-x-8+2x | | 7x-3(2-4x)=-8x+5 | | -2n-1=3 | | 7(3x+4)-8(2x-7)=5x+84 | | 12x-50+7x=20x-60-x | | (s^2)*(s+1)*(s-2)=0 | | -3(-2+m)=-24 | | 3xy+12x+2y+8= | | 2y-13=5 | | 64x+48=-6x-22 | | 2y-1/3=5 | | -x^2+3=0 | | 3(b-1)=3b-1 | | 4-21=9-16 | | 2(x+7)-3(2x-4)=-18 | | 8x^2-78x+169=0 | | 7y+3=y-1 | | (x-2)*(x-5)=0 | | +(7x-1)=-(x-4) | | (7x-1)=-(x-4) | | f(10)=3.2b^10 | | 6x-8x^2=0 | | 60x+62x^2=12x^3 | | a+b+c=20 | | (2x+2)2=144 |