imthebestatcod
05.04.2020 •
Mathematics
Factor 20x2 + 25x – 12x – 15 by grouping.
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Ответ:
(4x+5) (5x-3)
Step-by-step explanation:
20x^2 + 25x – 12x – 15
From the first two terms factor out 5x and the last two terms factor out -3
5x(4x+5) -3(4x+5)
Now we can factor out (4x+5)
(4x+5) (5x-3)
Ответ:
75 - x
Step-by-step explanation:
2x - 3x = -x
50 + 25 = 75
75 - x