Question

solve by factoring
j^2-17j+72+0

Answer 1

find 2 factors of 72 that add up to -17
they need to both be neg

Answer 2

ok doin that now one sec

Answer 3

i got neg 8 and 9

Answer 4

correct
-8 * -9 = 72
-8 + -9 = -17
so
j ^2-17j +72 = (j-8)(j-9) = 0
solve each binomial when equal to 0
j-8 = 0
and
j-9 = 0

Answer 5

hey thanks i think i got it from here but wil u check it when im done

Answer 6

sure