If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + 5.5x + 7.5625 = 0 Reorder the terms: 7.5625 + 5.5x + x2 = 0 Solving 7.5625 + 5.5x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-7.5625' to each side of the equation. 7.5625 + 5.5x + -7.5625 + x2 = 0 + -7.5625 Reorder the terms: 7.5625 + -7.5625 + 5.5x + x2 = 0 + -7.5625 Combine like terms: 7.5625 + -7.5625 = 0.0000 0.0000 + 5.5x + x2 = 0 + -7.5625 5.5x + x2 = 0 + -7.5625 Combine like terms: 0 + -7.5625 = -7.5625 5.5x + x2 = -7.5625 The x term is 5.5x. Take half its coefficient (2.75). Square it (7.5625) and add it to both sides. Add '7.5625' to each side of the equation. 5.5x + 7.5625 + x2 = -7.5625 + 7.5625 Reorder the terms: 7.5625 + 5.5x + x2 = -7.5625 + 7.5625 Combine like terms: -7.5625 + 7.5625 = 0.0000 7.5625 + 5.5x + x2 = 0.0000 Factor a perfect square on the left side: (x + 2.75)(x + 2.75) = 0.0000 Calculate the square root of the right side: 0.0000 Break this problem into two subproblems by setting (x + 2.75) equal to 0.0000 and 0.0000.Subproblem 1
x + 2.75 = 0.0000 Simplifying x + 2.75 = 0.0000 Reorder the terms: 2.75 + x = 0.0000 Solving 2.75 + x = 0.0000 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.75' to each side of the equation. 2.75 + -2.75 + x = 0.0000 + -2.75 Combine like terms: 2.75 + -2.75 = 0.00 0.00 + x = 0.0000 + -2.75 x = 0.0000 + -2.75 Combine like terms: 0.0000 + -2.75 = -2.75 x = -2.75 Simplifying x = -2.75Subproblem 2
x + 2.75 = 0.0000 Simplifying x + 2.75 = 0.0000 Reorder the terms: 2.75 + x = 0.0000 Solving 2.75 + x = 0.0000 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.75' to each side of the equation. 2.75 + -2.75 + x = 0.0000 + -2.75 Combine like terms: 2.75 + -2.75 = 0.00 0.00 + x = 0.0000 + -2.75 x = 0.0000 + -2.75 Combine like terms: 0.0000 + -2.75 = -2.75 x = -2.75 Simplifying x = -2.75Solution
The solution to the problem is based on the solutions from the subproblems. x = {-2.75, -2.75}
| 0.75+x=3.6 | | 5a-11a=10 | | 2x^2-28x+49=0 | | 10=p+6.4 | | 10=p+6.4 | | 2.3=n+1 | | 6.5+a=12.3 | | 138+x+57=218 | | 0.5(x^4-3)+12= | | n-2.1=4.3 | | -52+5=-127 | | 6=58+4x | | f(x)=4x^3-x | | y=x^2-11x+2 | | x+10+4x+40=10x-120 | | w+6=-10 | | 7x-5=4x+11 | | 7x-5=4x+11 | | 7x-5=4x+11 | | 6w=4w+8 | | 0.15n=72.5 | | -2q+63=47 | | 6-4x=4-2x | | Y+1.8=-6 | | 3x-y=50 | | Y+1.6=-6 | | 72c-81=-351 | | 3y-5=7-2y | | 5x^2-6xy+5y^2=4 | | 8+4x=-10 | | 3x^2-10x=2 | | x^2-3xy+2y^2+y=1 |