Answer: [tex]Using \: \: the \: \: identity : \\ {a}^{2} – {b}^{2} = (a + b)(a – b)[/tex] Step-by-step explanation: [tex] {y}^{2} – 4 \\ = {y}^{2} – {2}^{2} \\ = (y + 2)(y – 2)[/tex] Reply
Answer:
(y²-4)
=(y²-2²)
=(y+2)(y-2)
Answer:
[tex]Using \: \: the \: \: identity : \\ {a}^{2} – {b}^{2} = (a + b)(a – b)[/tex]
Step-by-step explanation:
[tex] {y}^{2} – 4 \\ = {y}^{2} – {2}^{2} \\ = (y + 2)(y – 2)[/tex]