3x^2+27x+74=

Simple and best practice solution for 3x^2+27x+74= 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 3x^2+27x+74= equation:


Simplifying
3x2 + 27x + 74 = 0

Reorder the terms:
74 + 27x + 3x2 = 0

Solving
74 + 27x + 3x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
3 the coefficient of the squared term: 

Divide each side by '3'.
24.66666667 + 9x + x2 = 0

Move the constant term to the right:

Add '-24.66666667' to each side of the equation.
24.66666667 + 9x + -24.66666667 + x2 = 0 + -24.66666667

Reorder the terms:
24.66666667 + -24.66666667 + 9x + x2 = 0 + -24.66666667

Combine like terms: 24.66666667 + -24.66666667 = 0.00000000
0.00000000 + 9x + x2 = 0 + -24.66666667
9x + x2 = 0 + -24.66666667

Combine like terms: 0 + -24.66666667 = -24.66666667
9x + x2 = -24.66666667

The x term is 9x.  Take half its coefficient (4.5).
Square it (20.25) and add it to both sides.

Add '20.25' to each side of the equation.
9x + 20.25 + x2 = -24.66666667 + 20.25

Reorder the terms:
20.25 + 9x + x2 = -24.66666667 + 20.25

Combine like terms: -24.66666667 + 20.25 = -4.41666667
20.25 + 9x + x2 = -4.41666667

Factor a perfect square on the left side:
(x + 4.5)(x + 4.5) = -4.41666667

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| T(n)=24-5 | | -8=x-19 | | 6-3(b+8)=b-22 | | p+31= | | -14+a=-3(a-6) | | 100=15.6 | | 18x^2=144 | | 11+m=6 | | 30x+7+4x=100+40x | | 3x-12=-8x | | -3(u+2)+4u= | | 2x-6y=o | | -3(1+2n)+6n=6n-9 | | n+(-6)=6 | | 4x+6=5x-14 | | -6.5x+0.63=-4.57 | | 26.50+0.15n=1450+0.25 | | 2(9)+2(2)=484 | | K-(-6)=2 | | (4a-4)+(2a+30)=180 | | 9[15-(3+4)]= | | y=-2.8x-1.4 | | 0.4(2x+.5)=3[0.2x+(-2)] | | (4a-a)+(2a+30)=180 | | 9x^2-15x+2-8x-10x^2= | | x+7y=-11 | | 26+4r=-3(4+5r) | | -k+23=-8(1+4k) | | 50*d=150 | | 3b-38=-8(3b-2) | | 50=0.004x^2-x+80 | | 13x-20=8x+40 |

Equations solver categories