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Answer:
Step-by-step explanation:
Solving (a)
Expand
Expand
Factor out 2y + 1
Split
Solve:
Solving (b):
Compare the above with the equation in (a)
We have:
So:
Solve for x in both cases
The answer is true here's the reasons: (3 x 5) x 9 is what i started to solve first.
The first thing i did was i took the 3 and multiply it by 5 which gave me 15 then multiply it by 9 it gave me 135. So that was the first side done
The second part on 3x (5 x 9) I took the 5 and multiply it by the 9 which is 45 and then multiply it by 3 which gave me the same answer as the other side. Which would look like this 135=135
So your answer should be true hope this helps. :)