Which is a factor of 2a(cubed) - 2a(squared) - 7a + 7?
1 answer:
<span>2a(cubed) - 2a(squared) - 7a + 7
</span><span>= 2a^3 - 2a^2 - 7a + 7
= 2a^2 (a -1) - 7 (a -1)
= (a - 1)(2a^2 - 7)
(a - 1) and </span>(2a^2 - 7) are factors
answer
<span>A) (a - 1) </span>
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