If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3x2 + -80x + 90 = 0 Reorder the terms: 90 + -80x + 3x2 = 0 Solving 90 + -80x + 3x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. 30 + -26.66666667x + x2 = 0 Move the constant term to the right: Add '-30' to each side of the equation. 30 + -26.66666667x + -30 + x2 = 0 + -30 Reorder the terms: 30 + -30 + -26.66666667x + x2 = 0 + -30 Combine like terms: 30 + -30 = 0 0 + -26.66666667x + x2 = 0 + -30 -26.66666667x + x2 = 0 + -30 Combine like terms: 0 + -30 = -30 -26.66666667x + x2 = -30 The x term is -26.66666667x. Take half its coefficient (-13.33333334). Square it (177.7777780) and add it to both sides. Add '177.7777780' to each side of the equation. -26.66666667x + 177.7777780 + x2 = -30 + 177.7777780 Reorder the terms: 177.7777780 + -26.66666667x + x2 = -30 + 177.7777780 Combine like terms: -30 + 177.7777780 = 147.777778 177.7777780 + -26.66666667x + x2 = 147.777778 Factor a perfect square on the left side: (x + -13.33333334)(x + -13.33333334) = 147.777778 Calculate the square root of the right side: 12.156388362 Break this problem into two subproblems by setting (x + -13.33333334) equal to 12.156388362 and -12.156388362.Subproblem 1
x + -13.33333334 = 12.156388362 Simplifying x + -13.33333334 = 12.156388362 Reorder the terms: -13.33333334 + x = 12.156388362 Solving -13.33333334 + x = 12.156388362 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '13.33333334' to each side of the equation. -13.33333334 + 13.33333334 + x = 12.156388362 + 13.33333334 Combine like terms: -13.33333334 + 13.33333334 = 0.00000000 0.00000000 + x = 12.156388362 + 13.33333334 x = 12.156388362 + 13.33333334 Combine like terms: 12.156388362 + 13.33333334 = 25.489721702 x = 25.489721702 Simplifying x = 25.489721702Subproblem 2
x + -13.33333334 = -12.156388362 Simplifying x + -13.33333334 = -12.156388362 Reorder the terms: -13.33333334 + x = -12.156388362 Solving -13.33333334 + x = -12.156388362 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '13.33333334' to each side of the equation. -13.33333334 + 13.33333334 + x = -12.156388362 + 13.33333334 Combine like terms: -13.33333334 + 13.33333334 = 0.00000000 0.00000000 + x = -12.156388362 + 13.33333334 x = -12.156388362 + 13.33333334 Combine like terms: -12.156388362 + 13.33333334 = 1.176944978 x = 1.176944978 Simplifying x = 1.176944978Solution
The solution to the problem is based on the solutions from the subproblems. x = {25.489721702, 1.176944978}
| x^4-y^4-18x^2+32y^2=0 | | M^2-1m-6=0 | | 3x^2-80x+310=0 | | 0.25x^2=256 | | 5m-25= | | 2x+3(x-1)=-1 | | 12x^3-36x^2+36x=0 | | 9y-2=2y+15.5 | | 5p-8=4p+992 | | x+(x+1)=53 | | 59-v=162 | | 6v-4=3v+5 | | 3r+2=2r+12 | | 6r+2=3r+20 | | 6=2(y-1)/3 | | 76.5=9i-9 | | 35=4t-1 | | X+(x+15)=100 | | 3598=4w-2 | | 8z-4=76 | | 3n^2-n-2= | | 8z-4=49 | | 6u+10=70 | | 9j-10=71 | | 4x+4=85 | | ylogx+xlogy=1 | | 10e+2=72 | | 7/x-1=3/x-2 | | 2v-2=0 | | X-(.38*X)=4800 | | X^2+3x+2.75=0 | | 13(x-5)=104 |