Question

find a product of (a-9)and 2
WANT BIG ANSWER
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Answer 1

Answer:

(a-9) ×2

=(a×2)-(9×2)

=2a-18

BIG ANSWER

Answer 2

Answer:

Let m and n be the two numbers. Then:

m-n=9

mn=162

Then:

m=n+9

(n+9)n=162

n²+9n-162=0

(n+18)(n-9)=0

Using the positive value, we get n=9, in which case m=18