Factor out the greatest common factor for 18x2 + 42x – 12.
1 answer:
Answer:
Step-by-step explanation:
factor the coefficients into primes
18 = 3 *<u> 3 * 2</u>
42 <u>= 3* 2</u> * 7
- 12 = - 2 * <u>2 * 3</u>
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)
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