3.2.3 In the table below, the written explanation of the steps have been provided, show the mathematical steps for the explanations given. Factoriza 9-12 Mathematical steps x+4x-3x-12 Explanation Rewrite the middle term of the trinomial using the values from the chart above. Group pairs of terms. Factor out the HCF of the first group. Factor out the HCF of the second group. Factor out HCF of the two terms (*4)(x-3) The final factorized answer​