How to solve

Hey @Utkatsh!

This is multiplication, right?
So-
[ 3x - 5y + 2 ] [ x + 2z + y ]
= x [ 3x - 5y + 2 ] + 2z [ 3x - 5y + 2 ] + y [ 3x - 5y + 2 ]
= ( 3 x- 5xy + 2x ) + ( 6zx - 10zy + 4z ) + ( 3xy - 5y2 + 2y )
= 3x2 - 2xy + 2x + 6zx - 10zy + 4z - 5y2 + 2y

Hope it helps!
Cheers! :)

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