x^2-49x+144=0

Simple and best practice solution for x^2-49x+144=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^2-49x+144=0 equation:


Simplifying
x2 + -49x + 144 = 0

Reorder the terms:
144 + -49x + x2 = 0

Solving
144 + -49x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-144' to each side of the equation.
144 + -49x + -144 + x2 = 0 + -144

Reorder the terms:
144 + -144 + -49x + x2 = 0 + -144

Combine like terms: 144 + -144 = 0
0 + -49x + x2 = 0 + -144
-49x + x2 = 0 + -144

Combine like terms: 0 + -144 = -144
-49x + x2 = -144

The x term is -49x.  Take half its coefficient (-24.5).
Square it (600.25) and add it to both sides.

Add '600.25' to each side of the equation.
-49x + 600.25 + x2 = -144 + 600.25

Reorder the terms:
600.25 + -49x + x2 = -144 + 600.25

Combine like terms: -144 + 600.25 = 456.25
600.25 + -49x + x2 = 456.25

Factor a perfect square on the left side:
(x + -24.5)(x + -24.5) = 456.25

Calculate the square root of the right side: 21.360009363

Break this problem into two subproblems by setting 
(x + -24.5) equal to 21.360009363 and -21.360009363.

Subproblem 1

x + -24.5 = 21.360009363 Simplifying x + -24.5 = 21.360009363 Reorder the terms: -24.5 + x = 21.360009363 Solving -24.5 + x = 21.360009363 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '24.5' to each side of the equation. -24.5 + 24.5 + x = 21.360009363 + 24.5 Combine like terms: -24.5 + 24.5 = 0.0 0.0 + x = 21.360009363 + 24.5 x = 21.360009363 + 24.5 Combine like terms: 21.360009363 + 24.5 = 45.860009363 x = 45.860009363 Simplifying x = 45.860009363

Subproblem 2

x + -24.5 = -21.360009363 Simplifying x + -24.5 = -21.360009363 Reorder the terms: -24.5 + x = -21.360009363 Solving -24.5 + x = -21.360009363 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '24.5' to each side of the equation. -24.5 + 24.5 + x = -21.360009363 + 24.5 Combine like terms: -24.5 + 24.5 = 0.0 0.0 + x = -21.360009363 + 24.5 x = -21.360009363 + 24.5 Combine like terms: -21.360009363 + 24.5 = 3.139990637 x = 3.139990637 Simplifying x = 3.139990637

Solution

The solution to the problem is based on the solutions from the subproblems. x = {45.860009363, 3.139990637}

See similar equations:

| =47.3+0.78x | | 4-y=0 | | (7n^5-6n^2-8)+(3n^5+8n^2-6)= | | 45x^2-320=0 | | x+x+10+40=180 | | 8(2x+6)=18-(2x+6) | | (T+8)(2)=12 | | 2t+5+3t-4t=1+5 | | 6-13x-5x^2=0 | | (4y+6)-(4+3y)=12 | | x+(0.15x)=300 | | 46(2x-3)=8-2(3x+1) | | 5-x=12x+4 | | 5m+1-1m=1+4m | | -3x-35=-8x | | 3x=10y+13 | | -3x=-126 | | x^2+4y-51=0 | | -2(y+6)=-2(g+31) | | 6v-20=8v | | 9-4(7x-8x)=x-43 | | -.3(x+6)=-2.4(x-1) | | -6(1-2x)=2+8x | | 1.75x-3.5=-.875x-.25 | | 3c-7d=-1 | | 12-a-3a=4a-4a | | 12y-6-4y-6-2y+3= | | 7x+10=-46 | | 20x^2-45x=0 | | -8(8-x)-3x=14-8x | | 3x-4cos(x+2)=0 | | 4m^2+12m+5= |

Equations solver categories