73.4k views
20 votes
Factor out the greatest common factor for 18x2 + 42x – 12.

User Vickel
by
5.1k points

1 Answer

6 votes

Answer:

Explanation:

factor the coefficients into primes

18 = 3 * 3 * 2

42 = 3* 2 * 7

- 12 = - 2 * 2 * 3

The primes that are underlined are 2 * 3 which is 6

The primes not in the brackets are what is inside the brackets.

6(3x^2 + 7x - 2)

User Keiton
by
6.0k points
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