Question

РАЗЛОЖИТЕ НА МНОЖИТЕЛИ
5ax - 7ay + 3a + 5bx - 7by + 3b

Answer 1

$5ax - 7ay +3a + 5bx - 7by + 3b = a*(5x - 7y + 3) + b*(5x - 7y + 3) = (5x - 7y + 3)*(a + b)$