If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + -20x + -90.25 = 0 Reorder the terms: -90.25 + -20x + x2 = 0 Solving -90.25 + -20x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '90.25' to each side of the equation. -90.25 + -20x + 90.25 + x2 = 0 + 90.25 Reorder the terms: -90.25 + 90.25 + -20x + x2 = 0 + 90.25 Combine like terms: -90.25 + 90.25 = 0.00 0.00 + -20x + x2 = 0 + 90.25 -20x + x2 = 0 + 90.25 Combine like terms: 0 + 90.25 = 90.25 -20x + x2 = 90.25 The x term is -20x. Take half its coefficient (-10). Square it (100) and add it to both sides. Add '100' to each side of the equation. -20x + 100 + x2 = 90.25 + 100 Reorder the terms: 100 + -20x + x2 = 90.25 + 100 Combine like terms: 90.25 + 100 = 190.25 100 + -20x + x2 = 190.25 Factor a perfect square on the left side: (x + -10)(x + -10) = 190.25 Calculate the square root of the right side: 13.793114224 Break this problem into two subproblems by setting (x + -10) equal to 13.793114224 and -13.793114224.Subproblem 1
x + -10 = 13.793114224 Simplifying x + -10 = 13.793114224 Reorder the terms: -10 + x = 13.793114224 Solving -10 + x = 13.793114224 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = 13.793114224 + 10 Combine like terms: -10 + 10 = 0 0 + x = 13.793114224 + 10 x = 13.793114224 + 10 Combine like terms: 13.793114224 + 10 = 23.793114224 x = 23.793114224 Simplifying x = 23.793114224Subproblem 2
x + -10 = -13.793114224 Simplifying x + -10 = -13.793114224 Reorder the terms: -10 + x = -13.793114224 Solving -10 + x = -13.793114224 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = -13.793114224 + 10 Combine like terms: -10 + 10 = 0 0 + x = -13.793114224 + 10 x = -13.793114224 + 10 Combine like terms: -13.793114224 + 10 = -3.793114224 x = -3.793114224 Simplifying x = -3.793114224Solution
The solution to the problem is based on the solutions from the subproblems. x = {23.793114224, -3.793114224}
| (x^3)+x-20=0 | | 2x/5x=3 | | (X*40)+(X*1.5)(5)=600 | | (7+w)(w)=144 | | 2x^2+ax-2=0 | | (7+x)(x)=144 | | (x-5)(x+1)-2x(x-3)+13=0 | | (x-5)(x+1)-2x(x-3)=0 | | x^2-18+90.25=0 | | 5(x+9)=-8 | | x+x+x+2x=123000 | | x^2-px=p | | y=0.5x(-1)+5 | | 26x+10y=-106 | | s*7-40=142 | | Y=16x+16 | | 6x^3+18x^2-24x=0 | | 15a+20=4a+k | | 15-8d=12 | | s*7-37=53 | | 3/5i2 | | 7-4y=47 | | 2x/0.5-x | | 2x/0.5 | | -3(x-4)-4x= | | 3x+(2x-5)=100 | | 0.0180=x/(0.068-2x) | | iz^3+1=0 | | 25z^2-n^2+8n-16=0 | | 7x+9x=-41+x | | 7x+9=-41+x | | 7y+10+3y-9= |