Whats the polynomial?

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asked Jul 26, 2021 134k views

4 votes

Whats the polynomial?

Mathematics
high-school

ThinkChris asked

by ThinkChris

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1 Answer

6 votes

Answer:

$2a {}^(2) - 13a + 21 = 0 \\ {2a }^(2) - 6a - 7a + 21 = 0 \\ 2a(a - 3) - 7(a - 3) = 0 \\ (a - 3)(2a - 7) = 0 \\ a - 3 = 0 \: \: \: \: \: or \: \: \: \: \: 2a - 7 = 0 \\ \\ a = 3 \: \: \: \: or \: \: \: \: \: a = (7)/(2)$

Annerajb answered Aug 1, 2021

by Annerajb

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