2r^2-22r+36=

Simple and best practice solution for 2r^2-22r+36= 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 2r^2-22r+36= equation:


Simplifying
2r2 + -22r + 36 = 0

Reorder the terms:
36 + -22r + 2r2 = 0

Solving
36 + -22r + 2r2 = 0

Solving for variable 'r'.

Factor out the Greatest Common Factor (GCF), '2'.
2(18 + -11r + r2) = 0

Factor a trinomial.
2((2 + -1r)(9 + -1r)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(2 + -1r)' equal to zero and attempt to solve: Simplifying 2 + -1r = 0 Solving 2 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1r = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1r = 0 + -2 -1r = 0 + -2 Combine like terms: 0 + -2 = -2 -1r = -2 Divide each side by '-1'. r = 2 Simplifying r = 2

Subproblem 2

Set the factor '(9 + -1r)' equal to zero and attempt to solve: Simplifying 9 + -1r = 0 Solving 9 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1r = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1r = 0 + -9 -1r = 0 + -9 Combine like terms: 0 + -9 = -9 -1r = -9 Divide each side by '-1'. r = 9 Simplifying r = 9

Solution

r = {2, 9}

See similar equations:

| 0.25p+0.2(10-p)=p | | 3x+4y=-48 | | 3y+2=4y+1 | | p=-5m+7n-3 | | 8x-9=21x+5 | | (6x-9)+(6x+10)=180 | | 5x^6-x^5+8x^3-4x+65=0 | | 3(x+2)+4=-8 | | Cosx-2cos^2x=0 | | a(n)=16/3(3/2)^n-1 | | (7y^2-2)(2y^2-1)= | | 3x+1=6x+16 | | -6(4p+7)=-138 | | 3s^4+14s^3+22s^2+16s+4=0 | | -6(7p+3)=-354 | | 4^5-9x=1/8×^-2 | | x=3-11 | | P=2x+2(6) | | 3*2+16=0 | | 3*2+16= | | (3x+4)(5-2x)=0 | | cos(y)=7*cos(x) | | 150+3x-15=180 | | 4X+6=12-3X | | 3x+y-5z=37 | | x=(1/4x) | | 2x/10=20 | | (x^4/-3z^3)^4 | | (3x+y)(4x-2y)= | | 70/150 | | 9-2y=3x | | -4-(3-4n)=5+6n |

Equations solver categories