x^2+7x+16=

Simple and best practice solution for x^2+7x+16= 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+7x+16= equation:


Simplifying
x2 + 7x + 16 = 0

Reorder the terms:
16 + 7x + x2 = 0

Solving
16 + 7x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-16' to each side of the equation.
16 + 7x + -16 + x2 = 0 + -16

Reorder the terms:
16 + -16 + 7x + x2 = 0 + -16

Combine like terms: 16 + -16 = 0
0 + 7x + x2 = 0 + -16
7x + x2 = 0 + -16

Combine like terms: 0 + -16 = -16
7x + x2 = -16

The x term is 7x.  Take half its coefficient (3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
7x + 12.25 + x2 = -16 + 12.25

Reorder the terms:
12.25 + 7x + x2 = -16 + 12.25

Combine like terms: -16 + 12.25 = -3.75
12.25 + 7x + x2 = -3.75

Factor a perfect square on the left side:
(x + 3.5)(x + 3.5) = -3.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| x(x-4)(2x+5)=0 | | 3(4+t)=24+t | | 1.064=.56 | | 1.064=-0.56 | | Ax=124 | | 6x-6+2(2x+2)=-2(x+8) | | 2x-5=3x-4 | | 3x+20=132 | | 2x-5=-1+3x | | 2v-2c= | | 36=3n | | 4y+60+7y-30=5y+14 | | 6z=-36 | | y=-3x^2+7x+12 | | Y+30=12y-1y | | 52=-4r | | x+4=3y-1 | | 4=-2+a | | (z-1)(z+2)(2z-7)=0 | | 3/5x−7/8=-3/4 | | 2d=36+2d | | 3(5+x)=19+x | | 11=-5+c | | c=xa-a | | 2x-(3-2x/3)=2 | | 11=-5+x | | 6x^3-55x^2+7x+18=0 | | 5x-16=8x-1 | | y=14x-6 | | 6x^2-x-x=1 | | -22x-17=-89 | | (5n+2)(n-6)=0 |

Equations solver categories