Tim needs 18 pens he can buy them in packages of 6 9 or 12 he will buy only one type of package which packages could tim buy write 2 different ways that tim could buy exactly 18 pens

he could buy 3 packs of 6

or 2 packs of 9

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!

c) yes, because of asa or aas