Question

Разложите на множители

1) a(a+3) - 2(a + 3)
2) ax - ay + 5x - 5y


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Answer 1

1)(a+3)(a-2)

2)x(a+5)-y(a+5) = (a+5)(x-y)

Answer 2

Ответ:

a(a+3) -2(a+3) = (a-2)(a+3)

ax-ay +5x - 5y = a(x-y) + 5(x-y) = (a+5)(x-y)