Math, asked by poilty, 1 year ago

Use suitable identity and solve
(4x - 5) (4x - 1)

Answers

Answered by stenu
82
(x + a) (x + b) = x² + (a+b) x + ab
(4x -5) (4x - 1) = (4x)² + (-5 -1) 4x +  (-5 × -1)
                        = 16x² -24x +5

hence solved....

poilty: bt the ans is coming smthng else
stenu: oh.... wat ans?
poilty: its 16x square - 24x + 5
stenu: yep thats right..made a mistake..!
stenu: now its correct...
poilty: Thanx dear ................ it really helped me
poilty: :)
stenu: my pleasure:)
Answered by aishrocks61
17

Answer:(x + a) (x + b) = x² + (a+b) x + ab

(4x -5) (4x - 1) = (4x)² + (-5 -1) 4x + (-5 × -1)

= 16x² -24x +5

Step-by-step explanation:

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