17r^2-14r=-7

Simple and best practice solution for 17r^2-14r=-7 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 17r^2-14r=-7 equation:


Simplifying
17r2 + -14r = -7

Reorder the terms:
-14r + 17r2 = -7

Solving
-14r + 17r2 = -7

Solving for variable 'r'.

Reorder the terms:
7 + -14r + 17r2 = -7 + 7

Combine like terms: -7 + 7 = 0
7 + -14r + 17r2 = 0

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

Divide each side by '17'.
0.4117647059 + -0.8235294118r + r2 = 0

Move the constant term to the right:

Add '-0.4117647059' to each side of the equation.
0.4117647059 + -0.8235294118r + -0.4117647059 + r2 = 0 + -0.4117647059

Reorder the terms:
0.4117647059 + -0.4117647059 + -0.8235294118r + r2 = 0 + -0.4117647059

Combine like terms: 0.4117647059 + -0.4117647059 = 0.0000000000
0.0000000000 + -0.8235294118r + r2 = 0 + -0.4117647059
-0.8235294118r + r2 = 0 + -0.4117647059

Combine like terms: 0 + -0.4117647059 = -0.4117647059
-0.8235294118r + r2 = -0.4117647059

The r term is -0.8235294118r.  Take half its coefficient (-0.4117647059).
Square it (0.1695501730) and add it to both sides.

Add '0.1695501730' to each side of the equation.
-0.8235294118r + 0.1695501730 + r2 = -0.4117647059 + 0.1695501730

Reorder the terms:
0.1695501730 + -0.8235294118r + r2 = -0.4117647059 + 0.1695501730

Combine like terms: -0.4117647059 + 0.1695501730 = -0.2422145329
0.1695501730 + -0.8235294118r + r2 = -0.2422145329

Factor a perfect square on the left side:
(r + -0.4117647059)(r + -0.4117647059) = -0.2422145329

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 27=15y | | 9(2-a)+15=33 | | Ln7/ln10 | | h(-5)=4x^2-5 | | 379.94=r^2*3.14 | | 15+3s=600 | | 379.94=r^2*3.1 | | 15/2.50 | | 3(x-1)+5x-1=8-6(x-2) | | a^2/a^3/a^5 | | 5p/7-188=-43 | | S+3s=600 | | 4x^4-20x^2+21=0 | | 5y+3.88=25.24 | | 7850=r^2*3.14 | | mx^2-x-{m-2}/4=0 | | 7.25x+14.5=29 | | 7850=2r*3.14 | | -(-34-66)=(-32+z)-(-32) | | 7.2a+12=98.4 | | 3846.5=3.15*r^2 | | 8/9-4/9 | | 250-x/2=0 | | 15/x=5/3 | | k+77=2k-(16-89) | | X/6=12/2x | | 4x=x+48 | | y=1.9x+4 | | k+77=-2k-(16-89) | | 7/x-10=21 | | 4+2(3p-1)=10 | | y^2+9y=313.29 |

Equations solver categories