Question

Factories
(2a+b)^2-6a-3a-4​

Answer 1

Step-by-step explanation:

refer the attachment

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Answer 2

Answer:

(2a+b+1)(2a+b-4)

Step-by-step explanation:

Given that

(2a+b)^2 - 6a -3b -4

(2a+b)^2 - 3 (2a+b) - 4 = 0

Assume x = 2a + b

x^2 - 3x - 4 = 0

x^2 - 4x + x - 4 = 0

x(x-4) + 1(x-4) = 0

(x + 1) (x-4) = 0

Substitute x = 2a + b in the above equation , we will get

(2a+b+1)(2a+b-4) = 0

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