Find the product using suitable identity
(4x+3) (4x+5)
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Using identity (x + a) (x + b) = x² + x( a+b ) + ab
(4x+3) (4x+5) = (4x)² + 4x( 3+5 ) + 3 x 5
= 16x² + 4x(8) + 15
= 16x² + 32x + 15
hope this would help u
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