Question

solve the equation
(x-1)(2x+9)= 0

Answer 1

Set each of the factors equal to zero:
x-1=0
2x+9=0

Answer 2

x=1
x=-3

Answer 3

Check the second one
2(-3)+9 = 3 =/= 0. It's not correct

Answer 4

x=-1
2x=-9

Answer 5

have to find the value for x for the seocnd one

Answer 6

x={4.5,1}