How to factorise 9x^2 - (2x + y)^2
Answers
Answered by
0
Answer:
(3x+2x+y)(3x-2x-y) pls mark me brainlist.
Step-by-step explanation:
Answered by
1
Answer:
(x - y) (5x + y)
Step-by-step explanation:
a²-b² = (a-b)(a+b)
(3x)² - (2x + y)² = {3x - (2x + y)} {3x + (2x + y)}
= (3x - 2x - y) (3x + 2x + y)
= (x - y) (5x + y)
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