(x^2+3x+72)=0

Simple and best practice solution for (x^2+3x+72)=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 (x^2+3x+72)=0 equation:


Simplifying
(x2 + 3x + 72) = 0

Reorder the terms:
(72 + 3x + x2) = 0

Remove parenthesis around (72 + 3x + x2)
72 + 3x + x2 = 0

Solving
72 + 3x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-72' to each side of the equation.
72 + 3x + -72 + x2 = 0 + -72

Reorder the terms:
72 + -72 + 3x + x2 = 0 + -72

Combine like terms: 72 + -72 = 0
0 + 3x + x2 = 0 + -72
3x + x2 = 0 + -72

Combine like terms: 0 + -72 = -72
3x + x2 = -72

The x term is 3x.  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.
3x + 2.25 + x2 = -72 + 2.25

Reorder the terms:
2.25 + 3x + x2 = -72 + 2.25

Combine like terms: -72 + 2.25 = -69.75
2.25 + 3x + x2 = -69.75

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = -69.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 169y-72+48y=792 | | (7x+5)+(3x+2)+(2x-19)=180 | | x/4-8=-4.9 | | 25v^2+80vp+64p^2= | | 2x=1+2x-3 | | 7(x+2)+2=3x+4(3+x) | | 3z-10=-19 | | x=-81 | | 646/q=-19 | | 4x+x^2+4=-91+4 | | -10x-15+12x-17=-4 | | -6+13-7=-2x | | z/8-9 | | 64=2(3w+8)2w | | 3x/6=9 | | -6v+19=13 | | 2x+5-x=13 | | 32=-4-7(3p-2) | | 64m^2-80m+25= | | m/18=5/90 | | 2x-4x-11=-2x+6-11 | | 9x+1=9x-x | | 76=f | | 7(-5+4m)-5m=127 | | 9Y+10=-36 | | 2y^2*3y^2*4y^5= | | q-q-2q= | | 73=f | | (2x-38)=148 | | 9/2=x/16 | | Y/-10=10 | | 2+2x+5= |

Equations solver categories