2x^2+(x+3)=60

Simple and best practice solution for 2x^2+(x+3)=60 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+(x+3)=60 equation:


Simplifying
2x2 + (x + 3) = 60

Reorder the terms:
2x2 + (3 + x) = 60

Remove parenthesis around (3 + x)
2x2 + 3 + x = 60

Reorder the terms:
3 + x + 2x2 = 60

Solving
3 + x + 2x2 = 60

Solving for variable 'x'.

Reorder the terms:
3 + -60 + x + 2x2 = 60 + -60

Combine like terms: 3 + -60 = -57
-57 + x + 2x2 = 60 + -60

Combine like terms: 60 + -60 = 0
-57 + x + 2x2 = 0

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

Divide each side by '2'.
-28.5 + 0.5x + x2 = 0

Move the constant term to the right:

Add '28.5' to each side of the equation.
-28.5 + 0.5x + 28.5 + x2 = 0 + 28.5

Reorder the terms:
-28.5 + 28.5 + 0.5x + x2 = 0 + 28.5

Combine like terms: -28.5 + 28.5 = 0.0
0.0 + 0.5x + x2 = 0 + 28.5
0.5x + x2 = 0 + 28.5

Combine like terms: 0 + 28.5 = 28.5
0.5x + x2 = 28.5

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
0.5x + 0.25 + x2 = 28.5 + 0.25

Reorder the terms:
0.25 + 0.5x + x2 = 28.5 + 0.25

Combine like terms: 28.5 + 0.25 = 28.75
0.25 + 0.5x + x2 = 28.75

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 28.75

Calculate the square root of the right side: 5.361902647

Break this problem into two subproblems by setting 
(x + 0.5) equal to 5.361902647 and -5.361902647.

Subproblem 1

x + 0.5 = 5.361902647 Simplifying x + 0.5 = 5.361902647 Reorder the terms: 0.5 + x = 5.361902647 Solving 0.5 + x = 5.361902647 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 5.361902647 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 5.361902647 + -0.5 x = 5.361902647 + -0.5 Combine like terms: 5.361902647 + -0.5 = 4.861902647 x = 4.861902647 Simplifying x = 4.861902647

Subproblem 2

x + 0.5 = -5.361902647 Simplifying x + 0.5 = -5.361902647 Reorder the terms: 0.5 + x = -5.361902647 Solving 0.5 + x = -5.361902647 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -5.361902647 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -5.361902647 + -0.5 x = -5.361902647 + -0.5 Combine like terms: -5.361902647 + -0.5 = -5.861902647 x = -5.861902647 Simplifying x = -5.861902647

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.861902647, -5.861902647}

See similar equations:

| 37+8x=4(8-x) | | 6-2r+2=r-5(r-2) | | 2=2(x*x)-3x | | -12.11-12s=20s+12.95+3.8s | | -7s-10=8-4s | | 1(8)-2=2+4 | | 4x+2y=90 | | -2(a-3)=-(4+2a) | | 8w+16= | | -2-5-3= | | -2.86-n-9.79=18.35+5.2n | | 5x-15=3x+29 | | 3P+4=9+2P | | 4y=10x+4 | | -z-9-3=6+z | | -j/-12=-8 | | -19.83-1.4q=0.8q+9.43 | | 1/6-5 | | (-3+8-5)-(-11)= | | 4u+9=5u | | 2r+8/6=4r-1/11 | | 1b-2=2+4 | | 10+(-6-1+4)= | | 19+10r+20=7r-15 | | -12t^2+11t+1= | | -2+6=-(4+2a) | | 8-1/3x16 | | 6x-30=3x-9 | | 19+17t=-20+20t | | 10+2k=-8+5k | | 4k+2/20+10/8k+4 | | 2-(32-34)= |

Equations solver categories