Question

3. Find the following products:
(i) 3x+(3x + 2)(4x - 1)​

Answer 1

Step-by-step explanation:

(x−1)(3x−1)

Explanation:

using the a-c method to factor the quadratic

the factors of the product 3×1=3

which sum to - 4 are - 3 and - 1

split the middle term using these factors

3x2−3x−x+1←factor by grouping

=3x(x−1)−1(x−1)

take out the common factor (x−1)

=(x−1)(3x−1)

3x2−4x+1=(x−1)(3x−1)

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Answer 2

Step-by-step explanation:

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