Question

factor by grouping 10c^2 + 25c – 6c – 15

Answer 1

(10c^2 + 25c) + (-6c - 15)
- group the first 2 terms and the last 2 terms and make sure to include the (-) with the 6
5c(2c + 5) -3(2c + 5)
-factor each grouping individually
(5c - 3)(2c + 5)
-factor out the common term (2c + 5)

Answer 2

Thank you