Question

(u + v)2 + 2(u + v) - 3 factorise completely​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Step-by-step explanation:

(u + v)² + 2(u + v) - 3

Let ( u + v) be x

Therefore, the given expression become

x² + 2x - 3

= x² +(3 - 1)x - 3

=x² + 3x - x - 3

=x(x + 3) - 1(x + 3)

=(x + 3)(x - 1)

Now, putting the value of x,

We get,

= (u + v + 3)(u + v - 1)

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