Question

Add the following

a) 3mn-m2+ n2,m2-4mn and 6mn -9
b) 3×2+5y2 and 2×2-2xy+4y2
c) 3×2-7×-8,×2 +8×-3 and -×2-3×+2
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Answer 1

Answer:

NEVER BIT AT EXAM

Step-by-step explanation:

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