find the product of this using suitable identity. 1. (4x +5) (4x-1)
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Answered by
7
Step-by-step explanation:
(x + a) (x + b) = x² + (a+b) x + ab
(4x -5) (4x - 1) = (4x)² + (-5 -1) 4x + (-5 × -1)
= 16x² -24x
Answered by
0
Step-by-step explanation:
(x+ a) (x + b) = x² + (a+b) x + ab
(4x -5) (4x - 1) = (4x)² + (-5 -1) 4x + (-5 × -1)
= 16x² -24x +5
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