Question

On factorising 9x²-4y² we get
a (x+2y)(3x-2y)
b (3x-2y)2
c (3x+2y)²
d 3x² - 2y²​

Answer 1

Answer:

On factorising 9x²-4y² we get

a (x+2y)(3x-2y)

b (3x-2y)2

c (3x+2y)²

d 3x² -

Answer 2

Answer:

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Step-by-step explanation:

9x^2 - 4y^2

=(3x)^2 - (2y)^2

=(3x + 2y)(3x - 2y)