If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + -13x + 7 = 0 Reorder the terms: 7 + -13x + x2 = 0 Solving 7 + -13x + 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 + -13x + -7 + x2 = 0 + -7 Reorder the terms: 7 + -7 + -13x + x2 = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -13x + x2 = 0 + -7 -13x + x2 = 0 + -7 Combine like terms: 0 + -7 = -7 -13x + x2 = -7 The x term is -13x. Take half its coefficient (-6.5). Square it (42.25) and add it to both sides. Add '42.25' to each side of the equation. -13x + 42.25 + x2 = -7 + 42.25 Reorder the terms: 42.25 + -13x + x2 = -7 + 42.25 Combine like terms: -7 + 42.25 = 35.25 42.25 + -13x + x2 = 35.25 Factor a perfect square on the left side: (x + -6.5)(x + -6.5) = 35.25 Calculate the square root of the right side: 5.937171044 Break this problem into two subproblems by setting (x + -6.5) equal to 5.937171044 and -5.937171044.Subproblem 1
x + -6.5 = 5.937171044 Simplifying x + -6.5 = 5.937171044 Reorder the terms: -6.5 + x = 5.937171044 Solving -6.5 + x = 5.937171044 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.5' to each side of the equation. -6.5 + 6.5 + x = 5.937171044 + 6.5 Combine like terms: -6.5 + 6.5 = 0.0 0.0 + x = 5.937171044 + 6.5 x = 5.937171044 + 6.5 Combine like terms: 5.937171044 + 6.5 = 12.437171044 x = 12.437171044 Simplifying x = 12.437171044Subproblem 2
x + -6.5 = -5.937171044 Simplifying x + -6.5 = -5.937171044 Reorder the terms: -6.5 + x = -5.937171044 Solving -6.5 + x = -5.937171044 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.5' to each side of the equation. -6.5 + 6.5 + x = -5.937171044 + 6.5 Combine like terms: -6.5 + 6.5 = 0.0 0.0 + x = -5.937171044 + 6.5 x = -5.937171044 + 6.5 Combine like terms: -5.937171044 + 6.5 = 0.562828956 x = 0.562828956 Simplifying x = 0.562828956Solution
The solution to the problem is based on the solutions from the subproblems. x = {12.437171044, 0.562828956}
| 2x-1=1x-101 | | 193-3x=42x+18 | | 4(-1+1x)=-4 | | 3b=40+b | | 10-8x=70-43x | | 2x+36=11x-63 | | 3xb=40+b | | -5(9-7x)=60 | | 6x^3-6x^2-12x=0 | | 101-5x=2x+24 | | -3x+8=-x-10 | | 2x+6=6x+2 | | 3x+9=73-5x | | 2x+33=10x-63 | | -10=-3+k | | y-3=-34 | | 4x+5=6x-5 | | 5x-4=29+2x | | -2(5v-12)=7(8-2v) | | 5-5x=-2x-28 | | -7(2x+9)=9(2x+25) | | 4x-3y=9 | | 3x+28=11x-36 | | 12x+15=7x+5 | | 2x+1=-4x-35 | | 10*x=15*y | | x^2+8x+16=5 | | 2x-10+3x=15 | | 3x-4x=8 | | 217-2x=43x+17 | | 2(4b+11)=5(b-4) | | 9x+9=3x+45 |