If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying (1.2X + 1)(0.8X + 1) = 0 Reorder the terms: (1 + 1.2X)(0.8X + 1) = 0 Reorder the terms: (1 + 1.2X)(1 + 0.8X) = 0 Multiply (1 + 1.2X) * (1 + 0.8X) (1(1 + 0.8X) + 1.2X * (1 + 0.8X)) = 0 ((1 * 1 + 0.8X * 1) + 1.2X * (1 + 0.8X)) = 0 ((1 + 0.8X) + 1.2X * (1 + 0.8X)) = 0 (1 + 0.8X + (1 * 1.2X + 0.8X * 1.2X)) = 0 (1 + 0.8X + (1.2X + 0.96X2)) = 0 Combine like terms: 0.8X + 1.2X = 2X (1 + 2X + 0.96X2) = 0 Solving 1 + 2X + 0.96X2 = 0 Solving for variable 'X'. Begin completing the square. Divide all terms by 0.96 the coefficient of the squared term: Divide each side by '0.96'. 1.041666667 + 2.083333333X + X2 = 0 Move the constant term to the right: Add '-1.041666667' to each side of the equation. 1.041666667 + 2.083333333X + -1.041666667 + X2 = 0 + -1.041666667 Reorder the terms: 1.041666667 + -1.041666667 + 2.083333333X + X2 = 0 + -1.041666667 Combine like terms: 1.041666667 + -1.041666667 = 0.000000000 0.000000000 + 2.083333333X + X2 = 0 + -1.041666667 2.083333333X + X2 = 0 + -1.041666667 Combine like terms: 0 + -1.041666667 = -1.041666667 2.083333333X + X2 = -1.041666667 The X term is 2.083333333X. Take half its coefficient (1.041666667). Square it (1.085069445) and add it to both sides. Add '1.085069445' to each side of the equation. 2.083333333X + 1.085069445 + X2 = -1.041666667 + 1.085069445 Reorder the terms: 1.085069445 + 2.083333333X + X2 = -1.041666667 + 1.085069445 Combine like terms: -1.041666667 + 1.085069445 = 0.043402778 1.085069445 + 2.083333333X + X2 = 0.043402778 Factor a perfect square on the left side: (X + 1.041666667)(X + 1.041666667) = 0.043402778 Calculate the square root of the right side: 0.208333334 Break this problem into two subproblems by setting (X + 1.041666667) equal to 0.208333334 and -0.208333334.Subproblem 1
X + 1.041666667 = 0.208333334 Simplifying X + 1.041666667 = 0.208333334 Reorder the terms: 1.041666667 + X = 0.208333334 Solving 1.041666667 + X = 0.208333334 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-1.041666667' to each side of the equation. 1.041666667 + -1.041666667 + X = 0.208333334 + -1.041666667 Combine like terms: 1.041666667 + -1.041666667 = 0.000000000 0.000000000 + X = 0.208333334 + -1.041666667 X = 0.208333334 + -1.041666667 Combine like terms: 0.208333334 + -1.041666667 = -0.833333333 X = -0.833333333 Simplifying X = -0.833333333Subproblem 2
X + 1.041666667 = -0.208333334 Simplifying X + 1.041666667 = -0.208333334 Reorder the terms: 1.041666667 + X = -0.208333334 Solving 1.041666667 + X = -0.208333334 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-1.041666667' to each side of the equation. 1.041666667 + -1.041666667 + X = -0.208333334 + -1.041666667 Combine like terms: 1.041666667 + -1.041666667 = 0.000000000 0.000000000 + X = -0.208333334 + -1.041666667 X = -0.208333334 + -1.041666667 Combine like terms: -0.208333334 + -1.041666667 = -1.250000001 X = -1.250000001 Simplifying X = -1.250000001Solution
The solution to the problem is based on the solutions from the subproblems. X = {-0.833333333, -1.250000001}
| 6.2a+15=89.4 | | -2lnx=ln(x-5) | | 2x+2y+z=6400 | | 5(x+2)+3(x-4)=34 | | M/3-7=40 | | y^3-3y=52 | | 5r=250 | | x^2-(3k-1)+4k=0 | | 10000x-100(1-x)=50 | | y^2+2xy-4y=2xy+x^2-4x | | 10000x-500(1-x)=50 | | 5.4a+15=79.8 | | 100x=100+40x | | 4.87x+100=23.7169+10x | | 5.3x+36=28.09+6x | | 8x-4(-1-3x/2)=32 | | 4/9*-3/4 | | 2y+14=-8 | | 3m^2=-2m+7 | | 8.3a+12=103.3 | | -7(21+2y)-2y=-13 | | 11.5*x=15*y | | 6.4a+15=79 | | 3/11.7/9= | | 1.00x+3.65=19.65 | | 27x^6-215x-8=0 | | n^2+6n-55=4 | | 2.01*200+3.25=y | | 2.01x+3.25=y | | -120=-2(t)+0.5(-9.8)t^2 | | 6(7.25-.75y)-y=49 | | 12.0+12.0= |