Question

18. Using appropriate identity, find the following product. 4

i. (3x + 4y + 5z) (9x2 + 16y2 + 25z2

-12 xy – 20 yz – 15 xz) please tell fast

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Answer 1

Answer:

too hard to solve

Step-by-step explanation:

sorry

Answer 2

Step-by-step explanation:

Identity = ( a + b + c )²

(3x + 4y + 5z)²