which of the following is a factor of (16x^2-1) + (1+4x)
a) 4x+1
b) 4x-1
c) -8x
d) +8x
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Step-by-step explanation:
(16x² -1 ) + ( 1 + 4x)
(4x + 1 ) ( 4x - 1 ) + ( 4x + 1)
( 4x)² - 1 + 1
16 x²
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