2r^2+3r-14=

Simple and best practice solution for 2r^2+3r-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 2r^2+3r-14= equation:


Simplifying
2r2 + 3r + -14 = 0

Reorder the terms:
-14 + 3r + 2r2 = 0

Solving
-14 + 3r + 2r2 = 0

Solving for variable 'r'.

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

Subproblem 1

Set the factor '(-7 + -2r)' equal to zero and attempt to solve: Simplifying -7 + -2r = 0 Solving -7 + -2r = 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 + -2r = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -2r = 0 + 7 -2r = 0 + 7 Combine like terms: 0 + 7 = 7 -2r = 7 Divide each side by '-2'. r = -3.5 Simplifying r = -3.5

Subproblem 2

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

Solution

r = {-3.5, 2}

See similar equations:

| 2n^2-11n+13= | | 50+3.75x=50 | | 18v^2+24v+12= | | 5x=x-48 | | 50+3.75=50 | | g(x)=3x^2-8+5 | | 69=7v-6 | | 6p^2=-31p-5 | | 1-m=1 | | 6y^2+2y-2= | | 5x^2-17x+14= | | 3(2x-7)= | | 10x^2-20xy+10y^2= | | k-3= | | 3(1-4)x=2(-4x+7) | | 5a^2-3a+15= | | Z+3(5-2z)=25 | | 16x^2-8x-15=209 | | 6n^2+7n-3= | | x^2-3x-1x=13 | | 4y^2+11y+6= | | x^2-20x+75= | | -4x=42 | | 5=2x^2+3x | | 9=9+z | | 3a^2-2a-21= | | 1.2q^2-7=-34 | | 2z^2-11z+15= | | 21n+6=48 | | 6=y-4 | | 2x+45=6x+9 | | 4r^2-25r+6= |

Equations solver categories