If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 42x2 + -69x + 2 = 7x2 + -8 Reorder the terms: 2 + -69x + 42x2 = 7x2 + -8 Reorder the terms: 2 + -69x + 42x2 = -8 + 7x2 Solving 2 + -69x + 42x2 = -8 + 7x2 Solving for variable 'x'. Reorder the terms: 2 + 8 + -69x + 42x2 + -7x2 = -8 + 7x2 + 8 + -7x2 Combine like terms: 2 + 8 = 10 10 + -69x + 42x2 + -7x2 = -8 + 7x2 + 8 + -7x2 Combine like terms: 42x2 + -7x2 = 35x2 10 + -69x + 35x2 = -8 + 7x2 + 8 + -7x2 Reorder the terms: 10 + -69x + 35x2 = -8 + 8 + 7x2 + -7x2 Combine like terms: -8 + 8 = 0 10 + -69x + 35x2 = 0 + 7x2 + -7x2 10 + -69x + 35x2 = 7x2 + -7x2 Combine like terms: 7x2 + -7x2 = 0 10 + -69x + 35x2 = 0 Begin completing the square. Divide all terms by 35 the coefficient of the squared term: Divide each side by '35'. 0.2857142857 + -1.971428571x + x2 = 0 Move the constant term to the right: Add '-0.2857142857' to each side of the equation. 0.2857142857 + -1.971428571x + -0.2857142857 + x2 = 0 + -0.2857142857 Reorder the terms: 0.2857142857 + -0.2857142857 + -1.971428571x + x2 = 0 + -0.2857142857 Combine like terms: 0.2857142857 + -0.2857142857 = 0.0000000000 0.0000000000 + -1.971428571x + x2 = 0 + -0.2857142857 -1.971428571x + x2 = 0 + -0.2857142857 Combine like terms: 0 + -0.2857142857 = -0.2857142857 -1.971428571x + x2 = -0.2857142857 The x term is -1.971428571x. Take half its coefficient (-0.9857142855). Square it (0.9716326526) and add it to both sides. Add '0.9716326526' to each side of the equation. -1.971428571x + 0.9716326526 + x2 = -0.2857142857 + 0.9716326526 Reorder the terms: 0.9716326526 + -1.971428571x + x2 = -0.2857142857 + 0.9716326526 Combine like terms: -0.2857142857 + 0.9716326526 = 0.6859183669 0.9716326526 + -1.971428571x + x2 = 0.6859183669 Factor a perfect square on the left side: (x + -0.9857142855)(x + -0.9857142855) = 0.6859183669 Calculate the square root of the right side: 0.828201888 Break this problem into two subproblems by setting (x + -0.9857142855) equal to 0.828201888 and -0.828201888.Subproblem 1
x + -0.9857142855 = 0.828201888 Simplifying x + -0.9857142855 = 0.828201888 Reorder the terms: -0.9857142855 + x = 0.828201888 Solving -0.9857142855 + x = 0.828201888 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.9857142855' to each side of the equation. -0.9857142855 + 0.9857142855 + x = 0.828201888 + 0.9857142855 Combine like terms: -0.9857142855 + 0.9857142855 = 0.0000000000 0.0000000000 + x = 0.828201888 + 0.9857142855 x = 0.828201888 + 0.9857142855 Combine like terms: 0.828201888 + 0.9857142855 = 1.8139161735 x = 1.8139161735 Simplifying x = 1.8139161735Subproblem 2
x + -0.9857142855 = -0.828201888 Simplifying x + -0.9857142855 = -0.828201888 Reorder the terms: -0.9857142855 + x = -0.828201888 Solving -0.9857142855 + x = -0.828201888 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.9857142855' to each side of the equation. -0.9857142855 + 0.9857142855 + x = -0.828201888 + 0.9857142855 Combine like terms: -0.9857142855 + 0.9857142855 = 0.0000000000 0.0000000000 + x = -0.828201888 + 0.9857142855 x = -0.828201888 + 0.9857142855 Combine like terms: -0.828201888 + 0.9857142855 = 0.1575123975 x = 0.1575123975 Simplifying x = 0.1575123975Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.8139161735, 0.1575123975}
| 8x+17=3x+130 | | -p^3-3p^2=0 | | 35x^2-69x+10=0 | | 21-4k=-3k | | -6n^3-66n^2-60n=0 | | 15x-223=5x-13 | | 20x^2+7x+3=6 | | 0,2x-0.1x+2*(x-1)=3 | | (3/4)^3 | | 24=3(k+4) | | 12+18x=12-9 | | 49+7(3-5)+12= | | 4x=x^2+6x | | 8/94=5.5/x | | 2x+60=7x+20 | | (3x+1)/8=(2x-3)/6 | | x-8.8=-3.2 | | (2x+4)/10=(x-8)/9 | | 35(3+x)=50x | | 4x+8=8x+12 | | 4w-9w=15 | | (5x+1)/6=(3x-8)/5 | | n+24=16 | | (3x-2)/6=(5x+3)/5 | | (5x+1)/6=(2x-4)/8 | | 1/7x+2.87=-3.01 | | (3x-4)/2=(4x-1)/5 | | (6x+3)/7=(2x-4)/2 | | 233-5x=31x-21 | | 0=x^3+2x^2-16x-32 | | 5(x+3)-8=2x-11 | | 3x-2y=116 |