If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 80 = 2.5x + 0.55x2 Solving 80 = 2.5x + 0.55x2 Solving for variable 'x'. Reorder the terms: 80 + -2.5x + -0.55x2 = 2.5x + -2.5x + 0.55x2 + -0.55x2 Combine like terms: 2.5x + -2.5x = 0.0 80 + -2.5x + -0.55x2 = 0.0 + 0.55x2 + -0.55x2 80 + -2.5x + -0.55x2 = 0.55x2 + -0.55x2 Combine like terms: 0.55x2 + -0.55x2 = 0.00 80 + -2.5x + -0.55x2 = 0.00 Begin completing the square. Divide all terms by -0.55 the coefficient of the squared term: Divide each side by '-0.55'. -145.4545455 + 4.545454545x + x2 = 0 Move the constant term to the right: Add '145.4545455' to each side of the equation. -145.4545455 + 4.545454545x + 145.4545455 + x2 = 0 + 145.4545455 Reorder the terms: -145.4545455 + 145.4545455 + 4.545454545x + x2 = 0 + 145.4545455 Combine like terms: -145.4545455 + 145.4545455 = 0.0000000 0.0000000 + 4.545454545x + x2 = 0 + 145.4545455 4.545454545x + x2 = 0 + 145.4545455 Combine like terms: 0 + 145.4545455 = 145.4545455 4.545454545x + x2 = 145.4545455 The x term is 4.545454545x. Take half its coefficient (2.272727273). Square it (5.165289257) and add it to both sides. Add '5.165289257' to each side of the equation. 4.545454545x + 5.165289257 + x2 = 145.4545455 + 5.165289257 Reorder the terms: 5.165289257 + 4.545454545x + x2 = 145.4545455 + 5.165289257 Combine like terms: 145.4545455 + 5.165289257 = 150.619834757 5.165289257 + 4.545454545x + x2 = 150.619834757 Factor a perfect square on the left side: (x + 2.272727273)(x + 2.272727273) = 150.619834757 Calculate the square root of the right side: 12.272727275 Break this problem into two subproblems by setting (x + 2.272727273) equal to 12.272727275 and -12.272727275.Subproblem 1
x + 2.272727273 = 12.272727275 Simplifying x + 2.272727273 = 12.272727275 Reorder the terms: 2.272727273 + x = 12.272727275 Solving 2.272727273 + x = 12.272727275 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.272727273' to each side of the equation. 2.272727273 + -2.272727273 + x = 12.272727275 + -2.272727273 Combine like terms: 2.272727273 + -2.272727273 = 0.000000000 0.000000000 + x = 12.272727275 + -2.272727273 x = 12.272727275 + -2.272727273 Combine like terms: 12.272727275 + -2.272727273 = 10.000000002 x = 10.000000002 Simplifying x = 10.000000002Subproblem 2
x + 2.272727273 = -12.272727275 Simplifying x + 2.272727273 = -12.272727275 Reorder the terms: 2.272727273 + x = -12.272727275 Solving 2.272727273 + x = -12.272727275 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.272727273' to each side of the equation. 2.272727273 + -2.272727273 + x = -12.272727275 + -2.272727273 Combine like terms: 2.272727273 + -2.272727273 = 0.000000000 0.000000000 + x = -12.272727275 + -2.272727273 x = -12.272727275 + -2.272727273 Combine like terms: -12.272727275 + -2.272727273 = -14.545454548 x = -14.545454548 Simplifying x = -14.545454548Solution
The solution to the problem is based on the solutions from the subproblems. x = {10.000000002, -14.545454548}
| 10x+5y=110 | | (2+w)(2w+7)=0 | | 440000=x(30-.4x) | | -12=2x+2 | | 20x+11=8x+(-4) | | -9a+4=-2(a+5) | | 2.97x^2+x^8-1=0 | | 13x-12=210 | | 4[x+6]=28 | | 20x+(-9)=-7x+(-7) | | 3x-3(-x+2)=12 | | 6-p=2p | | 0.1[d-70]=0 | | -3xe=2 | | 3+5x(x+3)=18 | | x+2x=4x | | 20x+15=7x+29 | | 30-6=x | | Y=2x^3+9x^2+2 | | e^4-3x=6 | | 2x+12+48=106 | | 10(2u-3)=3(3v+1) | | 19x-5=14x-20 | | 20x+(-9)=10x+40 | | ((x+1)+(3y))+((3x-1)+(5y+1))=360 | | 20x+(-12)=-1x+23 | | 20x+(-12)=9x+10 | | (x+1)+(3y)=180 | | 6x+5=8x+6x | | 5(a+25)=175 | | 7(3y+1)=5(5y+9) | | 33=(7x-15)+(7x-15) |