If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + -15x + 7 = 0 Reorder the terms: 7 + -15x + x2 = 0 Solving 7 + -15x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-7' to each side of the equation. 7 + -15x + -7 + x2 = 0 + -7 Reorder the terms: 7 + -7 + -15x + x2 = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -15x + x2 = 0 + -7 -15x + x2 = 0 + -7 Combine like terms: 0 + -7 = -7 -15x + x2 = -7 The x term is -15x. Take half its coefficient (-7.5). Square it (56.25) and add it to both sides. Add '56.25' to each side of the equation. -15x + 56.25 + x2 = -7 + 56.25 Reorder the terms: 56.25 + -15x + x2 = -7 + 56.25 Combine like terms: -7 + 56.25 = 49.25 56.25 + -15x + x2 = 49.25 Factor a perfect square on the left side: (x + -7.5)(x + -7.5) = 49.25 Calculate the square root of the right side: 7.017834424 Break this problem into two subproblems by setting (x + -7.5) equal to 7.017834424 and -7.017834424.Subproblem 1
x + -7.5 = 7.017834424 Simplifying x + -7.5 = 7.017834424 Reorder the terms: -7.5 + x = 7.017834424 Solving -7.5 + x = 7.017834424 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7.5' to each side of the equation. -7.5 + 7.5 + x = 7.017834424 + 7.5 Combine like terms: -7.5 + 7.5 = 0.0 0.0 + x = 7.017834424 + 7.5 x = 7.017834424 + 7.5 Combine like terms: 7.017834424 + 7.5 = 14.517834424 x = 14.517834424 Simplifying x = 14.517834424Subproblem 2
x + -7.5 = -7.017834424 Simplifying x + -7.5 = -7.017834424 Reorder the terms: -7.5 + x = -7.017834424 Solving -7.5 + x = -7.017834424 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7.5' to each side of the equation. -7.5 + 7.5 + x = -7.017834424 + 7.5 Combine like terms: -7.5 + 7.5 = 0.0 0.0 + x = -7.017834424 + 7.5 x = -7.017834424 + 7.5 Combine like terms: -7.017834424 + 7.5 = 0.482165576 x = 0.482165576 Simplifying x = 0.482165576Solution
The solution to the problem is based on the solutions from the subproblems. x = {14.517834424, 0.482165576}
| 3x+7-7y+2x-3y-1= | | 4t-t-3=2t-5 | | 9(x+6)+2(x+6)=6x-6 | | 3x-2x=8+x | | 6+5t-6t^2=0 | | -2(3+x)+5x=24 | | 5x-30+2=7x-6 | | 10h/108=5/9 | | 7k+2=3k-1 | | 7+4x-9=-9 | | x-4y-12-5y+8y= | | 6+0.75x=x+3 | | 120+360+x=900 | | 3x+1=58 | | f(-5)=2a+3 | | 4x+1=63 | | 2*(x+9)-6= | | 3r+7=-5 | | 5.6=1.1+1.2 | | 2x+(4x-1)=2(5x+3)+4x | | 4m^2-28m-32=0 | | 3-2x(3)=12x | | 7x-1-4=1 | | 20x-(9x-7)=40 | | 6x^2-16x-20=0 | | 2t-10=4 | | 34+17= | | rx+sx=1 | | 8x-(6x+4)=2 | | -5p+4+6p=13 | | 34=w-17 | | .25r-.25+.25r=.5-.25 |