please solve these questions
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Answer:
Step-by-step explanation:
a, solution;
17 +
= ( 17 + y)
b, solution;
+2x
= x( x + 2)
c, solution;
3 - 4ab
= a( 3a - 4b)
d, solution;
5 - 10 + 15
= 5 - ( 15-5) + 15
=5 - 15 + 5 + 15
= 5 ( - 3) + 5( + 3 )
= 5 ( -2 +3)
e, solution;
bc + ac + ab
= abc( a+b+c)