find the product using suitable identity (a) (2a+3)(2a-3)
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Answer:
By Using Identity - (a+b) (a-b) = a²-b²
==> (2a+3) (2a-3) = (2a)²-(3)²
==> 4a²-9
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(2a + 3) (2a - 3) = 4a² - 9
Given :
The expression (2a + 3) (2a - 3)
To find :
The value of the expression
Solution :
Step 1 of 2 :
Write down the given expression
The given expression is (2a + 3) (2a - 3)
Step 2 of 2 :
Simplify the given expression
We use the formula a² - b² = ( a + b ) ( a - b )
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