The expression that is equivalent to (4a + 4)/2a × a²/(a + 1) is: 2a.
What are Equivalent Expressions?
Equivalent expressions are expressions that have the same value when simplified.
Thus:
(4a + 4)/2a × a²/(a + 1)
Multiply
[(4a + 4)(a²)] / [(2a)(a + 1)]
(4a³ + 4a²) / (2a² + 2a)
2a(2a² + 2a) / 2a(a + 1)
(2a² + 2a) / (a + 1)
2a(a + 1) / (a + 1)
= 2a
Therefore, the expression that is equivalent to (4a + 4)/2a × a²/(a + 1) is: 2a.
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