Math, asked by moupiyadas1978, 3 months ago

Use the idetity (x+a)(x+b)= x^2+(a+b)x +ab to find the product of (4x+5) (4x-1)

Answers

Answered by kritika12322

1

Answer:

(4x)^2+(5-1)4x +(5×-1)

16x^2 + 16x -5

Answered by jahnavi7978

1

$(4x+5)(4x-1)$

$=(4x)²+[5+(-1)]4x+(5)(-1) \\ = 16x²+16x-5$

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