Math, asked by umerahmad8666, 5 hours ago

(2a-btu (
2atb-2)
(2a - b + 4)(2a + b - 2) \\  \\

Answers

Answered by pmgavandgave
2

Answer:

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Answered by preetithetmale
0

Answer:

Given : 9(2a−b)

2

−4(2a−b)−13

Let us consider 2a−b=c

So we get,

=9c

2

−4c−13

We can further write it as

=9c

2

−13c+9c−13

By taking out the common terms

=c(9c−13)+1(9c−13)

=(c+1)(9c−13)

Let us replace c by 2a−b

so we get

9(2a−b)

2

−4(2a−b)−13

Then,

=((2a−b)+1)(9(2a−b)−13)

∴9(2a−b)

2

−4(2a−b)−13=(2a−b+1)(18a−9b−13)

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