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 + 20 = 0 Reorder the terms: 20 + -28x + x2 = 0 Solving 20 + -28x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-20' to each side of the equation. 20 + -28x + -20 + x2 = 0 + -20 Reorder the terms: 20 + -20 + -28x + x2 = 0 + -20 Combine like terms: 20 + -20 = 0 0 + -28x + x2 = 0 + -20 -28x + x2 = 0 + -20 Combine like terms: 0 + -20 = -20 -28x + x2 = -20 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 = -20 + 196 Reorder the terms: 196 + -28x + x2 = -20 + 196 Combine like terms: -20 + 196 = 176 196 + -28x + x2 = 176 Factor a perfect square on the left side: (x + -14)(x + -14) = 176 Calculate the square root of the right side: 13.266499161 Break this problem into two subproblems by setting (x + -14) equal to 13.266499161 and -13.266499161.Subproblem 1
x + -14 = 13.266499161 Simplifying x + -14 = 13.266499161 Reorder the terms: -14 + x = 13.266499161 Solving -14 + x = 13.266499161 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 = 13.266499161 + 14 Combine like terms: -14 + 14 = 0 0 + x = 13.266499161 + 14 x = 13.266499161 + 14 Combine like terms: 13.266499161 + 14 = 27.266499161 x = 27.266499161 Simplifying x = 27.266499161Subproblem 2
x + -14 = -13.266499161 Simplifying x + -14 = -13.266499161 Reorder the terms: -14 + x = -13.266499161 Solving -14 + x = -13.266499161 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 = -13.266499161 + 14 Combine like terms: -14 + 14 = 0 0 + x = -13.266499161 + 14 x = -13.266499161 + 14 Combine like terms: -13.266499161 + 14 = 0.733500839 x = 0.733500839 Simplifying x = 0.733500839Solution
The solution to the problem is based on the solutions from the subproblems. x = {27.266499161, 0.733500839}
| (9-w)(5w-7)=0 | | (9-w)(5w+7)=0 | | -3x+15=2x-50 | | G(x)=2-x^2 | | 5(4x-8)-6x=5x+14 | | 2x+9x-19=-3 | | sx+h=y | | -3+11+6x+5x=8x+-12 | | 1+4s-21=o | | 9/2x-1=25-1/2x | | G+2=-14-g | | 7(2x-8y)2+14=-2 | | 4x+11=7x-6 | | −1/5=2r/5−2(−4r/5−2/5) | | 10+2x-15y=3x+5 | | 2(30)+3y=90 | | 2c+4d=72 | | 3(1-x)=2(-4x+7) | | 3r-24=12 | | 5y-3(5-2y)=15 | | 3x/4-5/6= | | 2(4+6)-3= | | 7x^2+28x+7=0 | | (4m^8-6m^3+8m^2+7)+(5m^6+2m^3-3m)= | | 346-p=123 | | n+18=18 | | 15x-12-8x-4+11x-10= | | -4xy+5.1=8.3 | | 0.01X^2-90X+25000=y | | -4x-9x+3+6= | | 5j=50 | | 38x+71=7(5x+9)+3x+8 |