19=-3.5x^2+14x+3

Simple and best practice solution for 19=-3.5x^2+14x+3 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 19=-3.5x^2+14x+3 equation: 


Simplifying
19 = -3.5x2 + 14x + 3

Reorder the terms:
19 = 3 + 14x + -3.5x2

Solving
19 = 3 + 14x + -3.5x2

Solving for variable 'x'.

Combine like terms: 19 + -3 = 16
16 + -14x + 3.5x2 = 3 + 14x + -3.5x2 + -3 + -14x + 3.5x2

Reorder the terms:
16 + -14x + 3.5x2 = 3 + -3 + 14x + -14x + -3.5x2 + 3.5x2

Combine like terms: 3 + -3 = 0
16 + -14x + 3.5x2 = 0 + 14x + -14x + -3.5x2 + 3.5x2
16 + -14x + 3.5x2 = 14x + -14x + -3.5x2 + 3.5x2

Combine like terms: 14x + -14x = 0
16 + -14x + 3.5x2 = 0 + -3.5x2 + 3.5x2
16 + -14x + 3.5x2 = -3.5x2 + 3.5x2

Combine like terms: -3.5x2 + 3.5x2 = 0.0
16 + -14x + 3.5x2 = 0.0

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

Divide each side by '3.5'.
4.571428571 + -4x + x2 = 0

Move the constant term to the right:

Add '-4.571428571' to each side of the equation.
4.571428571 + -4x + -4.571428571 + x2 = 0 + -4.571428571

Reorder the terms:
4.571428571 + -4.571428571 + -4x + x2 = 0 + -4.571428571

Combine like terms: 4.571428571 + -4.571428571 = 0.000000000
0.000000000 + -4x + x2 = 0 + -4.571428571
-4x + x2 = 0 + -4.571428571

Combine like terms: 0 + -4.571428571 = -4.571428571
-4x + x2 = -4.571428571

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = -4.571428571 + 4

Reorder the terms:
4 + -4x + x2 = -4.571428571 + 4

Combine like terms: -4.571428571 + 4 = -0.571428571
4 + -4x + x2 = -0.571428571

Factor a perfect square on the left side:
(x + -2)(x + -2) = -0.571428571

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -62+21=12n-15 | | -3.6w-4.2w= | | -2(w-8)+6=-12 | | 5x-(4x+3)=8 | | 14x+21=-19 | | 3-1=2-1+1 | | (lgn-lgx)*(n-lgx)=0 | | 8a-2=6 | | -2(f-57)=14 | | -3(y-6)=-6 | | 7+cx=10 | | 12d-8=-20 | | 10=9+1 | | 40(.9-.8)=5x | | 6(z+2)=90 | | -23x-13=27 | | 18-t=9 | | 2(c-66)=52 | | b+c=-1 | | 92=2(m+3) | | 3=12/w | | 124-x=246 | | 7(x+y)+3(2x-3y)= | | -1=1/c | | 30x+13=-18 | | -4=w/3-5 | | S-2/2=3 | | H(t)=16t^2+30 | | 9y-5x+10x+7y+4x-13+11= | | -2(s-5)=-2 | | 6x-(x-2)=2x-(2+x) | | -27x+17=-8 |

Equations solver categories