(2x+3)^2=16 by factorisation method
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Answered by
13
Step-by-step explanation:
given: (2x+3)²=16
=> (2x+3)²=4²
=> 2x+3=4
=> 2x=4-3=1
=> x= 1/2
hope it will help you
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Answered by
23
Step-by-step explanation:
(2x + 3)² = 16
4x² + 12x + 9 = 16
4x² + 12x - 7 = 0
4x² + 14x - 2x - 7 = 0
2x(2x + 7) -1(2x + 7) = 0
(2x - 1)(2x + 7) = 0
x = 1/2 , -7/2
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