If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 1.8x2 + -16x + 28 = 0 Reorder the terms: 28 + -16x + 1.8x2 = 0 Solving 28 + -16x + 1.8x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 1.8 the coefficient of the squared term: Divide each side by '1.8'. 15.55555556 + -8.888888889x + x2 = 0 Move the constant term to the right: Add '-15.55555556' to each side of the equation. 15.55555556 + -8.888888889x + -15.55555556 + x2 = 0 + -15.55555556 Reorder the terms: 15.55555556 + -15.55555556 + -8.888888889x + x2 = 0 + -15.55555556 Combine like terms: 15.55555556 + -15.55555556 = 0.00000000 0.00000000 + -8.888888889x + x2 = 0 + -15.55555556 -8.888888889x + x2 = 0 + -15.55555556 Combine like terms: 0 + -15.55555556 = -15.55555556 -8.888888889x + x2 = -15.55555556 The x term is -8.888888889x. Take half its coefficient (-4.444444445). Square it (19.75308642) and add it to both sides. Add '19.75308642' to each side of the equation. -8.888888889x + 19.75308642 + x2 = -15.55555556 + 19.75308642 Reorder the terms: 19.75308642 + -8.888888889x + x2 = -15.55555556 + 19.75308642 Combine like terms: -15.55555556 + 19.75308642 = 4.19753086 19.75308642 + -8.888888889x + x2 = 4.19753086 Factor a perfect square on the left side: (x + -4.444444445)(x + -4.444444445) = 4.19753086 Calculate the square root of the right side: 2.048787656 Break this problem into two subproblems by setting (x + -4.444444445) equal to 2.048787656 and -2.048787656.Subproblem 1
x + -4.444444445 = 2.048787656 Simplifying x + -4.444444445 = 2.048787656 Reorder the terms: -4.444444445 + x = 2.048787656 Solving -4.444444445 + x = 2.048787656 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.444444445' to each side of the equation. -4.444444445 + 4.444444445 + x = 2.048787656 + 4.444444445 Combine like terms: -4.444444445 + 4.444444445 = 0.000000000 0.000000000 + x = 2.048787656 + 4.444444445 x = 2.048787656 + 4.444444445 Combine like terms: 2.048787656 + 4.444444445 = 6.493232101 x = 6.493232101 Simplifying x = 6.493232101Subproblem 2
x + -4.444444445 = -2.048787656 Simplifying x + -4.444444445 = -2.048787656 Reorder the terms: -4.444444445 + x = -2.048787656 Solving -4.444444445 + x = -2.048787656 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.444444445' to each side of the equation. -4.444444445 + 4.444444445 + x = -2.048787656 + 4.444444445 Combine like terms: -4.444444445 + 4.444444445 = 0.000000000 0.000000000 + x = -2.048787656 + 4.444444445 x = -2.048787656 + 4.444444445 Combine like terms: -2.048787656 + 4.444444445 = 2.395656789 x = 2.395656789 Simplifying x = 2.395656789Solution
The solution to the problem is based on the solutions from the subproblems. x = {6.493232101, 2.395656789}
| 4(x+8n)+7(7x+4n)= | | 15a=-6 | | x^2y+2xy^2=0 | | 3(3t-2)=5(2t-3) | | 7c-14d+cx-2dx=0 | | 3x+10p=300 | | 10p+3x=300 | | 5-4x=7+x | | 6x(2)+21x-12=0 | | 3x+7=3+4 | | 0.7(10-y)+1.4y=9.1 | | 6x(2)+21x-21=0 | | 4x+6=36-2x | | 6x+5-2x-4= | | p=12-q | | 6m-6w+2m+8y+4y+2w= | | 2x^6-12x^5+9x^4=0 | | y=3sinx-2cosx | | 20a+17b+3c+4c-5b-2a= | | 20p+18a+p-3a-5p= | | kx^2+kx+1=0 | | -3(X-5)-2(2X+1)=8 | | 6m+2n-4m+11n= | | 3a+at-6p-2pt= | | 7m-6w+2m+7y+2y+2w= | | n^2+20n+11=x^2 | | 11a+19b+3c+4c-2b-3a= | | 9+6lnx=11 | | -4x+4y= | | 4cos(x)-cos(2x)+3x=0 | | 20p+18q+p-7q-6p= | | 3(6z-1)2(z+3)=7(z+1) |