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3 votes
Factor 15x^3 - 5x^2 +6x-2 by grouping. what is the resulting expression

1 Answer

3 votes

Answer:

(3x - 1)(5x^2 + 2)

Explanation:

15x^3 - 5x^2 (the first two terms) have the common factor 5x^2, so that

15x^3 - 5x^2 = (5x^2)(3x - 1).

Likewise, 6x - 2 = 2(3x - 1).

Thus, 15x^3 - 5x^2 +6x-2 can be written as (3x - 1)(5x^2 + 2)

User Alwin
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