x^2+2x+40=5

Simple and best practice solution for x^2+2x+40=5 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+2x+40=5 equation:


Simplifying
x2 + 2x + 40 = 5

Reorder the terms:
40 + 2x + x2 = 5

Solving
40 + 2x + x2 = 5

Solving for variable 'x'.

Reorder the terms:
40 + -5 + 2x + x2 = 5 + -5

Combine like terms: 40 + -5 = 35
35 + 2x + x2 = 5 + -5

Combine like terms: 5 + -5 = 0
35 + 2x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-35' to each side of the equation.
35 + 2x + -35 + x2 = 0 + -35

Reorder the terms:
35 + -35 + 2x + x2 = 0 + -35

Combine like terms: 35 + -35 = 0
0 + 2x + x2 = 0 + -35
2x + x2 = 0 + -35

Combine like terms: 0 + -35 = -35
2x + x2 = -35

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = -35 + 1

Reorder the terms:
1 + 2x + x2 = -35 + 1

Combine like terms: -35 + 1 = -34
1 + 2x + x2 = -34

Factor a perfect square on the left side:
(x + 1)(x + 1) = -34

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| y=13-6 | | y=85-25 | | 6n^8+2n^6+4n^5= | | 8.5/x=51 | | y=4-12x+3x^2 | | 9w=2w-49 | | 3(6.4-5)+2(3(6.4)+1)=45 | | 48=9t+18 | | 12(a+6)=-22 | | y-3=-7/5x-0 | | 4x(2)+9x+2-6x(2)-8x+7= | | 4-(2d-3)=12 | | x^2-(12/35)x+(36/35)=0 | | 3.5-7.2= | | x^2-(12/35)x+(36/35) | | 7t-7=-31+4t | | (5x+30)=(8x+24) | | 12+3y=12 | | 1/x=(x-34)/(2x)^2 | | 1/2x+2=x-10 | | 3*41/3 | | 2/8a+1=11 | | S=2(3.14r^2)+2(3.14)rh | | 4x+8=3x+4 | | 5/3w=30 | | 5x+16=3x+6 | | 5/3w*30 | | (X-8)(x-8)=5 | | -6x^2+10=12x | | 0=5/7(-7)+b | | x+26=-1 | | 3d/2=-12 |

Equations solver categories