How do you factor completely: #−4x^2 + 16x − 24#?
1 Answer
Aug 28, 2015
Factor: -4x^2 + 16x - 24
Explanation:
f(x) = -4(x^2 - 4x + 6)
D = b^2 - 4ac = 16 - 24 = -8 < 0
The trinomial in parentheses can't be factored since it doesn't have 2 real roots.
