Question

expand (3 x - 6) square​

Answer 1

We need to expand (3x-6)^2

It is of the form (a-b)^2

(a-b)^2= a^2+b^2-2ab

Therefore (3x-6)^2= 9x^2+36-36x

Answer 2

Answer:

(3x-6)² = 9x²-36x+36

Step-by-step explanation:

Here,

a = 3x

b = 6

Applying the identity,

(a-b)² = a²+b²-2ab

(3x-6)² = 9x²+36-36x

Therefore the expanded form of

(3x-6)² is 9x²-36x+36.

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