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How do you expand $2 a (2 a + 5)$ $2a(2a+5)$ ?

1 Answer

Nov 14, 2016

$4 a^{2} + 10 a$ $4a^2+10a$

Explanation:

$2 a (2 a + 5)$ $2a(2a+5)$

Split it

$2 a (2 a) + 5 (2 a)$ $2a(2a)+5(2a)$

$4 a^{2} + 10 a$ $4a^2+10a$

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