Question

Factorise the following:
a) 36x^2-81y^2​

Answer 1

Answer:

Here is the answer =>

Step-by-step explanation:

36x^2-81y^2

=(6x)^2-(9y)^2

=(6x+9y)(6x-9y). [As (a^2-b^2)=(a+b)(a-b) ].

So (6x+9y)(6x-9y) is the simplest form of the equation 36x^2-81y^2.

HOPE IT HELPS.

Answer 2

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Answer:

(6x+3√2y) and (6x-3√2y)

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