Math, asked by bhujelbuddhiman31, 17 days ago

Simplify by using suitable identities ( 2 x + 5 )² - ( 2 x - 5 )²

Answers

Answered by devikasasi54

1

Answer:

40x

Step-by-step explanation:

(2x+5)² – (2x–5)²

Using identity: a²- b² = (a+b)(a-b)

= (2x+5+(2x-5))(2x+5-(2x-5))

= (2x+5+2x-5)(2x+5-2x+5)

= (4x)(10)

= 40x

Answered by kavitapaliwal0921

0

Answer:

40x

Step-by-step explanation:

(2x+5)² - (2x-5)²

Using identity: a²-b² = (a+b)(a-b)

= (2x+5+(2x-5))(2x+5-(2x-5))

= (2x+5+2x-5)(2x+5-2x+5)

= (4x)(10)

= 40x

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