(x+5)²-4(x+5) factorise them
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Answer:
(x+5)(x+1)
Step-by-step explanation:
(x+5)²-4(x+5)
= x²+10x+25 - 4x-20 (Using Identity (i))
= x²+6x+5
= x²+x+5x+5 (Factorizing by regrouping)
=x(x+1)+5(x+1)
= (x+5)(x+1)
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