How do you factor completely 4x^4+36x^3+56x^24x4+36x3+56x2?
1 Answer
May 14, 2016
4x^2(x + 2)(x + 7)
Explanation:
y = 4x^2 (x^2 + 9x + 14)
Factor the trinomial in parentheses.
Find 2 numbers knowing sum (b = 9) and product (c = 14). They are:
2 and 7.
y = 4x^2(x + 2)(x + 7)
