quicksilver6219 quicksilver6219

11-09-2018
Mathematics

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Simplify the expressions below as much as possible. 2a + 4(7 + 5a) 4(3x + 2) − 5(7x + 5) x(x + 5) 2x + x(x + 6)

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Stilisvvs Stilisvvs

11-09-2018

2a + 4(7 + 5a) = 2a + 28 + 20a = 22a + 28
4(3x +2) - 5(7x + 5) = 12x + 8 - 35x - 25 =
= -13x - 17
x(x + 5) = x^2 + 5x
2x + x(x + 6) = 2x + x^2 + 6x = x^2 + 8x

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