thaemysha thaemysha

28-01-2019
Mathematics

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factorise the following 4(x-1)²-9 need solution

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bhumikashah80 bhumikashah80

28-01-2019

Answer:x= 5/2 x= -1/2

Step-by-step explanation:

4(x-1)2-9

4(x2-2x+1) - 9

4x2 - 8x + 4 - 9

4x2 - 8x - 5

4x2 +2x - 10x - 5

2x(2x+1) - 5(2x+1)

(2x-5)(2x+1)

therefore, x= 5/2 x= -1/2

mark brainliest plzz

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