3q+80+q^2=0

Simple and best practice solution for 3q+80+q^2=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 3q+80+q^2=0 equation:


Simplifying
3q + 80 + q2 = 0

Reorder the terms:
80 + 3q + q2 = 0

Solving
80 + 3q + q2 = 0

Solving for variable 'q'.

Begin completing the square.

Move the constant term to the right:

Add '-80' to each side of the equation.
80 + 3q + -80 + q2 = 0 + -80

Reorder the terms:
80 + -80 + 3q + q2 = 0 + -80

Combine like terms: 80 + -80 = 0
0 + 3q + q2 = 0 + -80
3q + q2 = 0 + -80

Combine like terms: 0 + -80 = -80
3q + q2 = -80

The q term is 3q.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3q + 2.25 + q2 = -80 + 2.25

Reorder the terms:
2.25 + 3q + q2 = -80 + 2.25

Combine like terms: -80 + 2.25 = -77.75
2.25 + 3q + q2 = -77.75

Factor a perfect square on the left side:
(q + 1.5)(q + 1.5) = -77.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4(x-3)=6(x+2) | | -16n+4=-12n-4 | | (x+3)(x-4)=-8 | | 11-9x=89-23x | | 4[X-3]-8=8 | | 8y-4=5y+2 | | 5x^2+21x-20=0 | | x-2x-17=0 | | -9(v+3)+3v+6=7v+6 | | 1.8x=12x | | 5x+5=-34-8x | | 2x^2=-10x | | 8x-4=5y+2 | | 14+5x-x^2=0 | | 3(x-3)=21-3x | | 2x^3+5x^2+12x=0 | | -2+12=14x-3-13x | | 20+8x-x^2=0 | | 7(6x-1)=43x | | q^2+8q+27=0 | | 10(1+36)=-20 | | 2x^3=5x^2+12x+0 | | -9x-1=2x-67 | | 6x+4=2(3x+-5) | | 12x-9=5x+54 | | -3c+1=-14 | | 820=4w-140 | | -7x-8=4x+25 | | 5c+2=-18 | | 5z^2-10=0 | | 5n+20=40 | | b^2+3b-18=0 |

Equations solver categories