use the identity (2+) (+5)=r+(a+b)x+ ab to find the following products.
în (1-5) 62-7)
-5) 43-1)
25+5) 2x+3
1-4 (-2)
i) (4x + 5) (4x + 1)
(V) (4x + 5) (4x - 1)
(vi) (2029) (20+5)
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