<PRE><B>Question 385252</B>
group together the terms with common factors so that the factoring results in similar coefficients


20 and 45 are divisible by 5 , 28 and 63 are divisible by 7 ___ the resulting coefficients match


grouping ___ (20x^3 + 45x) - (28x^2 + 63)


factoring ___ 5x(4x^2 + 9) - 7(4x^2 + 9)


consolidating ___ (5x - 7)(4x^2 + 9)</PRE>