Expand using suitable identity ( x + 5y + 7z)^2
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Expand using suitable identity ( x + 5y + 7z)^2
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Answer:
=
is the answer
Answer:
(12) (−2x+5y−3z)
2
=4x
2
+25y
2
+9z
2
−10xy−30yz+12x
Step-by-step explanation:
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