2r^2-7r+6=10

Simple and best practice solution for 2r^2-7r+6=10 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^2-7r+6=10 equation:


Simplifying
2r2 + -7r + 6 = 10

Reorder the terms:
6 + -7r + 2r2 = 10

Solving
6 + -7r + 2r2 = 10

Solving for variable 'r'.

Reorder the terms:
6 + -10 + -7r + 2r2 = 10 + -10

Combine like terms: 6 + -10 = -4
-4 + -7r + 2r2 = 10 + -10

Combine like terms: 10 + -10 = 0
-4 + -7r + 2r2 = 0

Factor a trinomial.
(-1 + -2r)(4 + -1r) = 0

Subproblem 1

Set the factor '(-1 + -2r)' equal to zero and attempt to solve: Simplifying -1 + -2r = 0 Solving -1 + -2r = 0 Move all terms containing r to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -2r = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -2r = 0 + 1 -2r = 0 + 1 Combine like terms: 0 + 1 = 1 -2r = 1 Divide each side by '-2'. r = -0.5 Simplifying r = -0.5

Subproblem 2

Set the factor '(4 + -1r)' equal to zero and attempt to solve: Simplifying 4 + -1r = 0 Solving 4 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1r = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1r = 0 + -4 -1r = 0 + -4 Combine like terms: 0 + -4 = -4 -1r = -4 Divide each side by '-1'. r = 4 Simplifying r = 4

Solution

r = {-0.5, 4}

See similar equations:

| -16x^2+320x+32=0 | | log(1/8)=3 | | 2x+15-x^2=0 | | 3x-2/5=8/5 | | 92-r=28 | | 7x+14=14x-28 | | 4(x+14)=84 | | s^2+52=-11 | | 4/3X-5/9X=4 | | (5x+7)=8x | | 62/2x1 | | 9/10x4 | | 4/3X-5/9=4 | | 46-k=26 | | 153/7=7/3y | | A=15*B | | 62/2•1 | | 10x-10=-130 | | log(81)3=(1/4) | | 51=7/3y | | 5(4+2y)=10(2+y) | | 14x^2+2x+7x-5x^2-9=0 | | d=8t-5t | | Y=820-3x | | 4mn+12=4 | | 21/4=t/8 | | solvey=(-0.04x^2)+x+2.5 | | -10x+8y=12 | | 2X+(X-2)(X-4)=X+2 | | 21-3x=2x-6 | | .5x+x^2=10 | | y=4x^2-x-16 |

Equations solver categories