Question

How do you solve a(a−9)=0?

Answer 1

a(a-9)=0

a2-9a=0.....

Answer 2

Given Equation :-

a(a-9) = 0

Here,

a = 0

also

a - 9 = 0

So, a = 9

Hence a = 0 or 9

hope it helped...