Question

simplify the following and verify the results for the given values:
ques=(7x²y-3z²) (x+y+z);x=1,y=1,z=-1
No irrelevant questions
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Answer 1

Answer:

eqution main x=1, y=1, z=1 rakhne per

(7×(1)2×1-3×(1)2) (1+1+1)

(7×1×1-3×1) (3)

(7-3) (3)

4×3

12 answer