Find the product using suitable identity
(4x+5)(4x+3)
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Answered by
21
Here is your answer mate..
Q.) (4x + 5 ) ( 4x + 3 )
》 4x^2 + ( 5 + 3 ) 4x + 5 × 3 { Identity 4 } ( x + a ) (x +b)
x^2 + ( a + b ) x + ab
》 4x^2 + 8 × 4x + 15
》 16x^2 + 32x + 15 Ans.
Hope it will help you...
Q.) (4x + 5 ) ( 4x + 3 )
》 4x^2 + ( 5 + 3 ) 4x + 5 × 3 { Identity 4 } ( x + a ) (x +b)
x^2 + ( a + b ) x + ab
》 4x^2 + 8 × 4x + 15
》 16x^2 + 32x + 15 Ans.
Hope it will help you...
jasveersinghrap7f82w:
grt keep it up...,,!
Answered by
8
16x^2+12x+20x+15
=16x^2+32x+15=0
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