x^2-1.5x-1.43=0

Simple and best practice solution for x^2-1.5x-1.43=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for x^2-1.5x-1.43=0 equation:


Simplifying
x2 + -1.5x + -1.43 = 0

Reorder the terms:
-1.43 + -1.5x + x2 = 0

Solving
-1.43 + -1.5x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '1.43' to each side of the equation.
-1.43 + -1.5x + 1.43 + x2 = 0 + 1.43

Reorder the terms:
-1.43 + 1.43 + -1.5x + x2 = 0 + 1.43

Combine like terms: -1.43 + 1.43 = 0.00
0.00 + -1.5x + x2 = 0 + 1.43
-1.5x + x2 = 0 + 1.43

Combine like terms: 0 + 1.43 = 1.43
-1.5x + x2 = 1.43

The x term is -1.5x.  Take half its coefficient (-0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
-1.5x + 0.5625 + x2 = 1.43 + 0.5625

Reorder the terms:
0.5625 + -1.5x + x2 = 1.43 + 0.5625

Combine like terms: 1.43 + 0.5625 = 1.9925
0.5625 + -1.5x + x2 = 1.9925

Factor a perfect square on the left side:
(x + -0.75)(x + -0.75) = 1.9925

Calculate the square root of the right side: 1.411559421

Break this problem into two subproblems by setting 
(x + -0.75) equal to 1.411559421 and -1.411559421.

Subproblem 1

x + -0.75 = 1.411559421 Simplifying x + -0.75 = 1.411559421 Reorder the terms: -0.75 + x = 1.411559421 Solving -0.75 + x = 1.411559421 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = 1.411559421 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = 1.411559421 + 0.75 x = 1.411559421 + 0.75 Combine like terms: 1.411559421 + 0.75 = 2.161559421 x = 2.161559421 Simplifying x = 2.161559421

Subproblem 2

x + -0.75 = -1.411559421 Simplifying x + -0.75 = -1.411559421 Reorder the terms: -0.75 + x = -1.411559421 Solving -0.75 + x = -1.411559421 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = -1.411559421 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = -1.411559421 + 0.75 x = -1.411559421 + 0.75 Combine like terms: -1.411559421 + 0.75 = -0.661559421 x = -0.661559421 Simplifying x = -0.661559421

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.161559421, -0.661559421}

See similar equations:

| 4(3x-2)-32=8x-4 | | 6x+38=14x-50 | | 11-9x=106-44x | | 3x-1=11x-65 | | 3(5x+2)+2=10x+5[x-(3x-1)] | | 8x-5=3x+12 | | 4p-3=5 | | 11+m=0.25m-2 | | 12x^2+47x-4=0 | | -113-9x=106-44x | | 3(x+4)-6x=8-3(x-5) | | 11x-4=8x+5 | | 3x-2=13x-112 | | -4x+6(4x-12)=28 | | X+7y=13 | | 11+m=0.25m-2m | | 10x-2-7x=16 | | 6m+3(2m+5)+7= | | 58-2x=25x+19 | | 9r+3=48 | | 7x-7=5x+-1 | | -129-9x=8x+24 | | 3x-6=84-7x | | 6x+11=111-4 | | 7+11x=77+x | | 4x-7=-35-10x | | 0.8p-4=0.667 | | 7+11x=77x+x | | -95=-10x+5 | | 7+11x=77x+7 | | 5x-5=14x-50 | | -4z+8z-2=5-z |

Equations solver categories