the product of nine and a number
seven times the sum of a number and eight
twelve more than the product of twelve and a number
the square of a number subtracted from 20
twice the difference of eleven and a number
seven times the sum of a number and eight
twelve more than the product of twelve and a number
the square of a number subtracted from 20
twice the difference of eleven and a number
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Step-by-step explanation:
9n
(n+8)•7
(12n) +12
20-n²
(11-n)²