2x^2-15x+24=0

Simple and best practice solution for 2x^2-15x+24=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 2x^2-15x+24=0 equation:


Simplifying
2x2 + -15x + 24 = 0

Reorder the terms:
24 + -15x + 2x2 = 0

Solving
24 + -15x + 2x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
12 + -7.5x + x2 = 0

Move the constant term to the right:

Add '-12' to each side of the equation.
12 + -7.5x + -12 + x2 = 0 + -12

Reorder the terms:
12 + -12 + -7.5x + x2 = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -7.5x + x2 = 0 + -12
-7.5x + x2 = 0 + -12

Combine like terms: 0 + -12 = -12
-7.5x + x2 = -12

The x term is -7.5x.  Take half its coefficient (-3.75).
Square it (14.0625) and add it to both sides.

Add '14.0625' to each side of the equation.
-7.5x + 14.0625 + x2 = -12 + 14.0625

Reorder the terms:
14.0625 + -7.5x + x2 = -12 + 14.0625

Combine like terms: -12 + 14.0625 = 2.0625
14.0625 + -7.5x + x2 = 2.0625

Factor a perfect square on the left side:
(x + -3.75)(x + -3.75) = 2.0625

Calculate the square root of the right side: 1.436140662

Break this problem into two subproblems by setting 
(x + -3.75) equal to 1.436140662 and -1.436140662.

Subproblem 1

x + -3.75 = 1.436140662 Simplifying x + -3.75 = 1.436140662 Reorder the terms: -3.75 + x = 1.436140662 Solving -3.75 + x = 1.436140662 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.75' to each side of the equation. -3.75 + 3.75 + x = 1.436140662 + 3.75 Combine like terms: -3.75 + 3.75 = 0.00 0.00 + x = 1.436140662 + 3.75 x = 1.436140662 + 3.75 Combine like terms: 1.436140662 + 3.75 = 5.186140662 x = 5.186140662 Simplifying x = 5.186140662

Subproblem 2

x + -3.75 = -1.436140662 Simplifying x + -3.75 = -1.436140662 Reorder the terms: -3.75 + x = -1.436140662 Solving -3.75 + x = -1.436140662 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.75' to each side of the equation. -3.75 + 3.75 + x = -1.436140662 + 3.75 Combine like terms: -3.75 + 3.75 = 0.00 0.00 + x = -1.436140662 + 3.75 x = -1.436140662 + 3.75 Combine like terms: -1.436140662 + 3.75 = 2.313859338 x = 2.313859338 Simplifying x = 2.313859338

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.186140662, 2.313859338}

See similar equations:

| 35(12+15)=2170 | | 4(c+6)=3c+20 | | 4x^2+17x+12=0 | | 4x^2-17x+12=0 | | (6+v)(3v+2)=0 | | -5=75 | | x^2-25-300=0 | | 7x-7/4=14 | | 2y-x=60 | | 3x+3y+z=-15 | | 3x+3+2x=11x-12 | | 2r^2-16r+32=0 | | 4v^2+9=-12 | | -1/3x-5/6=-3/4x+5/3 | | v^2-2v-15=o | | 5a-20a-25=0 | | 95=5(4m+7) | | -v+17=4v-3 | | 6x*(7/x) | | 3.8w-2.6=0.2w-6.2 | | -3=.5x+.5x+x | | 1100+900+6x=800+400+8x | | 8/(2-i) | | 36x^4/3-25x^2/3+4=0 | | -1.6x+2.7=-0.9x+3.4 | | 6+3=612 | | -204=6(1+7p) | | 5s(s+2)=8(s-1) | | -14+1x=14 | | 6(x+4)-43=3-22 | | 5(s+2)=8(a-1) | | 100x^-4/3-409x^-2/3+36=0 |

Equations solver categories