If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying r2 + 8r = 9 Reorder the terms: 8r + r2 = 9 Solving 8r + r2 = 9 Solving for variable 'r'. Reorder the terms: -9 + 8r + r2 = 9 + -9 Combine like terms: 9 + -9 = 0 -9 + 8r + r2 = 0 Factor a trinomial. (-9 + -1r)(1 + -1r) = 0Subproblem 1
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 = -9Subproblem 2
Set the factor '(1 + -1r)' equal to zero and attempt to solve: Simplifying 1 + -1r = 0 Solving 1 + -1r = 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 + -1r = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1r = 0 + -1 -1r = 0 + -1 Combine like terms: 0 + -1 = -1 -1r = -1 Divide each side by '-1'. r = 1 Simplifying r = 1Solution
r = {-9, 1}
| p^2-16p+39=0 | | x=3.75+1.5y | | b^2-2b-22=0 | | n^2+2n-49=0 | | 18=(3x-6) | | v^2-10v-11=0 | | 3x+11=-80-10x | | 7m+19n=13 | | 10x^2=15x | | 180-5x=6x+15 | | 16-2x=14-8x | | 12=(4m-8)-(6m+6) | | -4x+1=-11 | | m-144=0 | | 5b+3b+5= | | 3a+5a=8a | | 11y=7x^2+2 | | -10x+42=-2x | | 6x^2+56= | | 6x^2+x^2+2= | | 4a-7=-35 | | 4a-7=-35 | | 3x+12-14x= | | (2x-1)/5-(x-2)/2=0,7x | | 87*54-3*(76+45-455)= | | 15+x=-2x+6 | | 2x^2+2x+2= | | 8+5= | | x^2+6x+9=29 | | -2(2x-1)=x/3 | | x/6-1/6=1 | | t^2-4t+13=0 |