If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -0.15x2 + 0.3x + 1.15 = 0 Reorder the terms: 1.15 + 0.3x + -0.15x2 = 0 Solving 1.15 + 0.3x + -0.15x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -0.15 the coefficient of the squared term: Divide each side by '-0.15'. -7.666666667 + -2x + x2 = 0 Move the constant term to the right: Add '7.666666667' to each side of the equation. -7.666666667 + -2x + 7.666666667 + x2 = 0 + 7.666666667 Reorder the terms: -7.666666667 + 7.666666667 + -2x + x2 = 0 + 7.666666667 Combine like terms: -7.666666667 + 7.666666667 = 0.000000000 0.000000000 + -2x + x2 = 0 + 7.666666667 -2x + x2 = 0 + 7.666666667 Combine like terms: 0 + 7.666666667 = 7.666666667 -2x + x2 = 7.666666667 The x term is -2x. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2x + 1 + x2 = 7.666666667 + 1 Reorder the terms: 1 + -2x + x2 = 7.666666667 + 1 Combine like terms: 7.666666667 + 1 = 8.666666667 1 + -2x + x2 = 8.666666667 Factor a perfect square on the left side: (x + -1)(x + -1) = 8.666666667 Calculate the square root of the right side: 2.943920289 Break this problem into two subproblems by setting (x + -1) equal to 2.943920289 and -2.943920289.Subproblem 1
x + -1 = 2.943920289 Simplifying x + -1 = 2.943920289 Reorder the terms: -1 + x = 2.943920289 Solving -1 + x = 2.943920289 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 2.943920289 + 1 Combine like terms: -1 + 1 = 0 0 + x = 2.943920289 + 1 x = 2.943920289 + 1 Combine like terms: 2.943920289 + 1 = 3.943920289 x = 3.943920289 Simplifying x = 3.943920289Subproblem 2
x + -1 = -2.943920289 Simplifying x + -1 = -2.943920289 Reorder the terms: -1 + x = -2.943920289 Solving -1 + x = -2.943920289 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -2.943920289 + 1 Combine like terms: -1 + 1 = 0 0 + x = -2.943920289 + 1 x = -2.943920289 + 1 Combine like terms: -2.943920289 + 1 = -1.943920289 x = -1.943920289 Simplifying x = -1.943920289Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.943920289, -1.943920289}
| 4x=12-4 | | -4x+13=x-7 | | -5x=2y-4 | | 47=2u+15 | | -2.5=-0.7 | | -4n-5=-21 | | -4+5+4v=1+5v+3 | | -45-5=21 | | 3x-1+4=7+2x | | 3x+(-2+-4x)= | | 2x-4y+z=8 | | -x=-2x-2 | | x+5=x+10+11 | | P-1=5p+3p-8+4 | | 5f+3=25 | | 4x-3+6x+3+9x+12=180 | | 2+5k=2 | | 54x+238=20x | | 50x-6+60x=16 | | 2t=t^2 | | 2x+14+11=x+20 | | 4(x-5)+2= | | 18x^3+30x^2-54x-90=0 | | 6-4d=16-4d | | 2x+60+(2x+12)+(x+2)=180 | | 2x+35=2x+34+21 | | 54x-248=20x | | 13+2m=1-m | | 8v+33=2v+5(3v-6) | | S+p=16 | | 3b-3=-15 | | 1+x=x+2+11 |