Question

How do you factor `y= 3x^7 - 9x ^6 + 18x ^5` ?

Answer 1

Factor `y = 3x^7 - 9x^6 + 18x^5`

Explanation:

y = 3x^5(x^2 - 3x + 6)
The trinomial can't be factored because its
`D = b^2 - 4ac = 9 - 24 = - 15 < 0.`