Question

i need to factor 5n^2-16

Answer 1

Answer:

($\sqrt{5}$ n - 4)($\sqrt{5}$ n + 4)

Step-by-step explanation:

Using the factorising method, difference of 2 squares

a² - b² = (a - b)(a + b) , then

5n² - 16

= ($\sqrt{5}$ n )² - 4²

= ($\sqrt{5}$ n - 4)($\sqrt{5}$ n + 4)