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 Reorder the terms: 20x + x2 = 90 Solving 20x + x2 = 90 Solving for variable 'x'. Reorder the terms: -90 + 20x + x2 = 90 + -90 Combine like terms: 90 + -90 = 0 -90 + 20x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '90' to each side of the equation. -90 + 20x + 90 + x2 = 0 + 90 Reorder the terms: -90 + 90 + 20x + x2 = 0 + 90 Combine like terms: -90 + 90 = 0 0 + 20x + x2 = 0 + 90 20x + x2 = 0 + 90 Combine like terms: 0 + 90 = 90 20x + x2 = 90 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 + 100 Reorder the terms: 100 + 20x + x2 = 90 + 100 Combine like terms: 90 + 100 = 190 100 + 20x + x2 = 190 Factor a perfect square on the left side: (x + 10)(x + 10) = 190 Calculate the square root of the right side: 13.784048752 Break this problem into two subproblems by setting (x + 10) equal to 13.784048752 and -13.784048752.Subproblem 1
x + 10 = 13.784048752 Simplifying x + 10 = 13.784048752 Reorder the terms: 10 + x = 13.784048752 Solving 10 + x = 13.784048752 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 = 13.784048752 + -10 Combine like terms: 10 + -10 = 0 0 + x = 13.784048752 + -10 x = 13.784048752 + -10 Combine like terms: 13.784048752 + -10 = 3.784048752 x = 3.784048752 Simplifying x = 3.784048752Subproblem 2
x + 10 = -13.784048752 Simplifying x + 10 = -13.784048752 Reorder the terms: 10 + x = -13.784048752 Solving 10 + x = -13.784048752 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 = -13.784048752 + -10 Combine like terms: 10 + -10 = 0 0 + x = -13.784048752 + -10 x = -13.784048752 + -10 Combine like terms: -13.784048752 + -10 = -23.784048752 x = -23.784048752 Simplifying x = -23.784048752Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.784048752, -23.784048752}
| 3x-2+x=1+4x-3 | | 2/8-16=6/8x-6 | | 16=32x-16x^2 | | -11/2-5/4 | | .75c+.5c=.3 | | |-7+56|=35 | | 7-2a=19 | | 0x+16x^2=1600 | | 42+x=15x | | 52=7x-5+2x | | -5-(6-11)= | | -1+x-2x=-8 | | 6d+7e+11d+10e= | | 24-2b/4 | | F(x)=x^2+12x+20 | | 7y+y=-8 | | 6-(-12)= | | X^2=8x-17 | | -2.4=7.2 | | 56-7x=2x+18 | | -5Z+.5=13 | | 6a-4=2a+8 | | 14-3x=5-6x | | 111-6x=30x+23 | | -5Z+1/2=13 | | 7x=63-14 | | 3x/2+2=x+4 | | 1/2(x-5)^2=9 | | -7b-3b=10 | | -8=x+9 | | 3(x-5)=(99/11) | | .5+12x=1 |