Answer:
c=11/36
Step-by-step explanation:
i dont know if that what you want + what is the source of you question?
Answer:
(x - 2) (5x + 2)
Step-by-step explanation:
1. Use the sum-product pattern
5x^2 - 8x - 4
5x^2 + 2x - 10x - 4
2. Common factor from the two pairs
5x^2 + 2x - 10x - 4
x(5x + 2) - 2(5x + 2)
3. Rewrite in factored form
x(5x + 2) - 2(5x + 2)
(x - 2) (5x + 2)