Question

If x =4^2+b^2-6ab, y = 3b^2 -2a^2 + 8ab and z =6 a^2+8b^2-6ab, find : i) x+y+z (ii) x-y-z

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

yyrtyssd7ufsswe5ijhssru8idet7gsst7ii