x^2+2x+11=-90

Simple and best practice solution for x^2+2x+11=-90 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+11=-90 equation:


Simplifying
x2 + 2x + 11 = -90

Reorder the terms:
11 + 2x + x2 = -90

Solving
11 + 2x + x2 = -90

Solving for variable 'x'.

Reorder the terms:
11 + 90 + 2x + x2 = -90 + 90

Combine like terms: 11 + 90 = 101
101 + 2x + x2 = -90 + 90

Combine like terms: -90 + 90 = 0
101 + 2x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-101' to each side of the equation.
101 + 2x + -101 + x2 = 0 + -101

Reorder the terms:
101 + -101 + 2x + x2 = 0 + -101

Combine like terms: 101 + -101 = 0
0 + 2x + x2 = 0 + -101
2x + x2 = 0 + -101

Combine like terms: 0 + -101 = -101
2x + x2 = -101

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 = -101 + 1

Reorder the terms:
1 + 2x + x2 = -101 + 1

Combine like terms: -101 + 1 = -100
1 + 2x + x2 = -100

Factor a perfect square on the left side:
(x + 1)(x + 1) = -100

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| Z=9+y | | 9-3(x+7)=4 | | 6d=10+4d | | b^8=96 | | 3x-(-5)=2x-(-6) | | 4a+5=5+2a | | (2+4)*(8-9)= | | 5r-14-14r+9= | | 5(x-2)=-4x-48 | | 1.6=1.5/y | | -.125=4n | | 6(3-3x)=54 | | 3+3(2x+5)=18 | | 2(x+2)=-4(x-1)-24 | | 5/7x=-4/5 | | y+2Y=7 | | x+7.8=14.3 | | 10x+23(x-3)=162 | | 4-4=10y+3-9y | | 0.9x-1.9y=1.43 | | x+2y=1.5 | | 15+8x-3x^2=0 | | 14m+7n-2mn+n= | | -4+-2+x=180 | | 20z+1=24z+7 | | -7-5x+4=-24x+18-5x | | (2x+10)+(x-10)+(2x-20)=180 | | (9x+24)=(6+66) | | -4x^2=8x-3 | | (X+30)+(2x)+(3x-30)=180 | | 12x-11x-2=-4 | | 2x^3-6x^2+4x-12=0 |

Equations solver categories