Question

factor completely. r^2 - 2r + 36

Answer 1

it looks like there are no two integers that have product 36
and have sum -2
but you can use the quadratic formula to factor this

Answer 2

can u do that plz

Answer 3

just plug into the formula
ar^2+br+c=0
\[r=\frac{-b \pm \sqrt{b^2-4ac}}{2a}\]

Answer 4

so is that the answer or where do i plug in the numbers

Answer 5

you get what to plug in by looking at ar^2+br+c
a=1, b=-2, c=36
now plug into the formula for r