what is the complete factored form of the expression y⁴ - 49?
A.(y²)² - (7²)² C.(y² + 7)²
B.(y² - 7)² D.(y² - 7) (y²+7)
Share
what is the complete factored form of the expression y⁴ - 49?
A.(y²)² - (7²)² C.(y² + 7)²
B.(y² - 7)² D.(y² - 7) (y²+7)
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
D
Step-by-step explanation:
y² x y² = y⁴
-7 × +7 = -49
Also,
All of the other 7 will result to positive 49 except D