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masha68 [24]
3 years ago
12

Factor completely: 10ax + 5bx - 8ay - 4by

Mathematics
1 answer:
kiruha [24]3 years ago
4 0
The answer is (5x - 4y)(2a + b)

10ax + 5bx - 8ay - 4by = 10ax + 5bx - (8ay + 4by) =<span>
                                      = 5x * 2a + 5x * b - (2a * 4y + b * 4y) =
                                      = 5x(2a + b) - 4y(2a + b) = 
                                      = (5x - 4y)(2a + b)</span>
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