exam Maths Puzzle Numerical Ability

im sorry if i could get help on this last problem thanks alot!
which product of factors is equivalent to (x+1)-y? (please note there is a little 2 over on top next to the 1 out of the paranthesis and another little 2 over the y ? THANK YOU AGAIN.

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exam Other Question
What is 18 cm/h an example of?
a. speed
b. velocity
c. acceleration
d. momentum There were 10 more reds than 8 times the number of blues. Also the number of red was 5 less than 11 times the number of blues. How many of each were there?