r^2-9r+14=

Simple and best practice solution for r^2-9r+14= 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 r^2-9r+14= equation:


Simplifying
r2 + -9r + 14 = 0

Reorder the terms:
14 + -9r + r2 = 0

Solving
14 + -9r + r2 = 0

Solving for variable 'r'.

Factor a trinomial.
(2 + -1r)(7 + -1r) = 0

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 '(7 + -1r)' equal to zero and attempt to solve: Simplifying 7 + -1r = 0 Solving 7 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1r = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1r = 0 + -7 -1r = 0 + -7 Combine like terms: 0 + -7 = -7 -1r = -7 Divide each side by '-1'. r = 7 Simplifying r = 7

Solution

r = {2, 7}

See similar equations:

| 3x-3y=-21 | | 4.2=8 | | -4t+6= | | 28x+28=32x-32 | | (5x+6)(5x-9)=0 | | t=4t+9 | | -8j+14=-24(4j-7) | | b+1=-3-[-2] | | 10p=6p-8 | | 10n+13=27 | | 81+18y^2+y^4= | | -6p+2=10+6p | | (4+5i)(4-5i)=x | | 180=20+30+x | | 3-2(x+3)-4x=5-2(3x+1) | | 6+3(2v-1)=-4(3v-3)+6v | | -3y+2(8-y)=18-5y | | -9d=-18.9 | | x=32+-1y | | 5r+9=10 | | 2x+25=-3 | | -9b+8+7b=-3+13 | | 0.5x+4=0.25x+6 | | =32+-1y | | -8(7x-2)=16-7x | | -2n+4=-8n-20 | | 180=35+99+x | | 1.2y=-12 | | -6p+1=10+6p | | 8.2=-4x | | 17x=11x+77 | | -30(4x-2)+18(4x-2)-14=250 |

Equations solver categories