factorise first 4x² + 5x + 1
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Answer:
5×+1=6×+4×=10×
i hope it is correct please follow and marks as brilliant
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= 4x² + 5x + 1
= 4x² + 4x+1x + 1
= 4x(x + 1) +1(x + 1)
= (x + 1)(4x + 1)
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