Please help, will mark brainliest, do not do for points or I will report, explanation please or no brainliest

Mathematics

2 answers:

Molodets [167]3 years ago

7 0

ANSWER:

(2y - 1)(2y + 1)

Using identity (a + b)(a - b) = a² - b².

(2y)² - (1)²

4y² - 1.

sladkih [1.3K]3 years ago

4 0

Answer:

to multiply-----

(2y-1)(2y+1)

2y(2y+1)-1(2y+1)

4y^2+2y-2y-1

=4y^2-1

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