Question

to find the following products (4x+5) (4x-1) ​

Answer 1

Answer:

(4x-5)(4x-1)

(x+a)(x+b)=x²+(a+b)x+ab

      x=4x;a=-5;b=-1

(4x)²+(-5+(-1))4x+(-5)(-1)

16x²-5-1*4x-5*(-1)

16x²-24x+5

Answer 2

Answer:

16xsquare-4x + 20x-5

Step-by-step explanation:

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