If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + -4.5x + -20 = 0 Reorder the terms: -20 + -4.5x + x2 = 0 Solving -20 + -4.5x + 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 + -4.5x + 20 + x2 = 0 + 20 Reorder the terms: -20 + 20 + -4.5x + x2 = 0 + 20 Combine like terms: -20 + 20 = 0 0 + -4.5x + x2 = 0 + 20 -4.5x + x2 = 0 + 20 Combine like terms: 0 + 20 = 20 -4.5x + x2 = 20 The x term is -4.5x. Take half its coefficient (-2.25). Square it (5.0625) and add it to both sides. Add '5.0625' to each side of the equation. -4.5x + 5.0625 + x2 = 20 + 5.0625 Reorder the terms: 5.0625 + -4.5x + x2 = 20 + 5.0625 Combine like terms: 20 + 5.0625 = 25.0625 5.0625 + -4.5x + x2 = 25.0625 Factor a perfect square on the left side: (x + -2.25)(x + -2.25) = 25.0625 Calculate the square root of the right side: 5.006246099 Break this problem into two subproblems by setting (x + -2.25) equal to 5.006246099 and -5.006246099.Subproblem 1
x + -2.25 = 5.006246099 Simplifying x + -2.25 = 5.006246099 Reorder the terms: -2.25 + x = 5.006246099 Solving -2.25 + x = 5.006246099 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.25' to each side of the equation. -2.25 + 2.25 + x = 5.006246099 + 2.25 Combine like terms: -2.25 + 2.25 = 0.00 0.00 + x = 5.006246099 + 2.25 x = 5.006246099 + 2.25 Combine like terms: 5.006246099 + 2.25 = 7.256246099 x = 7.256246099 Simplifying x = 7.256246099Subproblem 2
x + -2.25 = -5.006246099 Simplifying x + -2.25 = -5.006246099 Reorder the terms: -2.25 + x = -5.006246099 Solving -2.25 + x = -5.006246099 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.25' to each side of the equation. -2.25 + 2.25 + x = -5.006246099 + 2.25 Combine like terms: -2.25 + 2.25 = 0.00 0.00 + x = -5.006246099 + 2.25 x = -5.006246099 + 2.25 Combine like terms: -5.006246099 + 2.25 = -2.756246099 x = -2.756246099 Simplifying x = -2.756246099Solution
The solution to the problem is based on the solutions from the subproblems. x = {7.256246099, -2.756246099}
| 6x-x-x=25 | | x^2-4.5x+6=0 | | 5(9)+-3*2x=15 | | 5(9)-3*2=15 | | 5*2+5x=15 | | 3(x-2)-2(3x+4)= | | y^2-8y+1200=0 | | x^2-80x-340=0 | | 5x-[3y+1-(3y-2x)+2]= | | 5x^2-20+4x-25=180 | | 5x^2+4x-225=0 | | 2x-3=6x+8 | | x^2-4.5x=10 | | 2x^2-4.5x=10 | | X^2+(m-3)*x+4=0 | | 10x-2xy+5y=0 | | 2b^2-14b+18=0 | | 3x^2-9x=-16 | | x^4+3x^2+20=0 | | x^4+3x+20=0 | | -2(3a-2)=11(2a+8) | | 3+4a=6+3a | | 4(3c+1)=28 | | 0=4t^2-32t | | 3a+4=5-a | | x+(x-10)=49 | | 5x+2/3=3x+10/4 | | 4x-3=3+2x | | 3(3x-5)=48 | | sin(3x+30)=sin(2x) | | 5*2+5*x=15 | | 8x-(3x-7)=2x |