Question

(ii) (7x2y - 32) (x + y + z); x = 1, y =1 z=-1​

Answer 1

Answer:

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Answer 2

Answer:

-18

Step-by-step explanation:

Let's substitute (x+y+z) into (1 +1+(-1))

in algebra - and + is( -) so (1+1-1)

=(7x2y-32) (1+1-1)

=(14-32) x (1)

=(-18)x (1 )

=-18

- and + is (-)

So, answer is - 18