How do you simplify $3 a (2 a + 7) + 5 (5 a + 2)$ $3a(2a + 7) + 5(5a + 2)$ ?

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Answer 1 · 2016-04-05T12:55:25

$6 a^{2} + 46 a + 10$ $6a^2+46a+10$

Multiplying out the brackets

$6 a^{2} + 21 a + 25 a + 10$ $6a^2+21a+25a+10$

$6 a^{2} + 46 a + 10$ $6a^2+46a+10$

How do you simplify 3a(2a + 7) + 5(5a + 2)3a(2a+7)+5(5a+2)3a(2a + 7) + 5(5a + 2)?