Question

What is the completely factored form of t4 − 16?

Answer 1

(t - 2)(t + 2)(t² + 4)

Explanation:

Difference of Squares: a² - b² = (a - b)(a + b)

Step 1: Write expression

t⁴ - 16

Step 2: Difference of Squares

(t² - 4)(t² + 4)

Step 3: Difference of Squares

(t - 2)(t + 2)(t² + 4)