Question

how to solve (x-2)(x+9)=0????

Answer 1

when either factor=0, the whhole does
so set eachfactor equal to 0 individually

Answer 2

x=2, -9

Answer 3

Be wary ofa mistake I see way too often among classmates, tho.
this works when it equals 0, not otherwise

Answer 4

ok thanks for the tips!