Which expression is equivalent to 7a4 - 28?
a) -7(a2 + 2)(a2 + 2)
b) 7(a2...
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Mathematics, 09.01.2020 12:31 ellisc7044
Which expression is equivalent to 7a4 - 28?
a) -7(a2 + 2)(a2 + 2)
b) 7(a2 + 2)(a2 - 2)
eliminate
c) 7(a2 + 2)(a2 + 2)
d) 7(a2 - 2)(a2 - 2)
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