If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + -28x + 11 = 0 Reorder the terms: 11 + -28x + x2 = 0 Solving 11 + -28x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-11' to each side of the equation. 11 + -28x + -11 + x2 = 0 + -11 Reorder the terms: 11 + -11 + -28x + x2 = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -28x + x2 = 0 + -11 -28x + x2 = 0 + -11 Combine like terms: 0 + -11 = -11 -28x + x2 = -11 The x term is -28x. Take half its coefficient (-14). Square it (196) and add it to both sides. Add '196' to each side of the equation. -28x + 196 + x2 = -11 + 196 Reorder the terms: 196 + -28x + x2 = -11 + 196 Combine like terms: -11 + 196 = 185 196 + -28x + x2 = 185 Factor a perfect square on the left side: (x + -14)(x + -14) = 185 Calculate the square root of the right side: 13.601470509 Break this problem into two subproblems by setting (x + -14) equal to 13.601470509 and -13.601470509.Subproblem 1
x + -14 = 13.601470509 Simplifying x + -14 = 13.601470509 Reorder the terms: -14 + x = 13.601470509 Solving -14 + x = 13.601470509 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + x = 13.601470509 + 14 Combine like terms: -14 + 14 = 0 0 + x = 13.601470509 + 14 x = 13.601470509 + 14 Combine like terms: 13.601470509 + 14 = 27.601470509 x = 27.601470509 Simplifying x = 27.601470509Subproblem 2
x + -14 = -13.601470509 Simplifying x + -14 = -13.601470509 Reorder the terms: -14 + x = -13.601470509 Solving -14 + x = -13.601470509 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + x = -13.601470509 + 14 Combine like terms: -14 + 14 = 0 0 + x = -13.601470509 + 14 x = -13.601470509 + 14 Combine like terms: -13.601470509 + 14 = 0.398529491 x = 0.398529491 Simplifying x = 0.398529491Solution
The solution to the problem is based on the solutions from the subproblems. x = {27.601470509, 0.398529491}
| 4x^3-9x-12=0 | | 3/5y-6=-9 | | 4.5(z+6)+24.5=7 | | 4x-12+8x=15+12x+5 | | 37+82+a=360 | | d-10=30 | | g(x)=2x^2+x | | 3x+6x-4=36 | | -7x-(24/17)=19 | | 12x=9x | | x=11-7x-8 | | ln(6x)=9 | | 1x-7=3x-5 | | -6z+3=-9-9(z-12) | | -x/3=5=21 | | 1300=p+p(.01) | | 18=2/5x-6 | | -4x^2-28x=0 | | log^7(117649)=x | | x/3-14=-8 | | lnx+ln(x+15)=2 | | 9n+1=99 | | p^2+3p= | | 12lnx=24 | | 6c-12=-2+9(c+2) | | (2x^2/3y^-5)^3 | | 2783.8x=1892.5 | | ln(x)+ln(x+15)=2 | | 3586.7x=2892.5 | | 55x=175 | | 12x^2+22x-18=0 | | 1x=56 |