Answer:
See answers below :)
Explanation:
2a + 4(7 + 5a) =
14a + 10a² + 28 + 20a =
34a + 10a² + 28
4(3x + 2) - 5(7x + 5) =
12x + 8 - 35x - 25 =
-23x - 17
x(x + 5) =
x² + 5x
(2x + x)(x + 6) =
2x² + 12x + x² + 6x =
3x² + 18x
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