Question

p=-3 r=2q=-1 the expression is 2p-5p-8+3r find the valuable expression of this
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Answer 1

Answer:Therefore, The value of p³ + q³+r³ + 3pqr is 36

Step-by-step explanation: p = -2

q = - 1

r = 3 .

Now,

p³ + q³ + r³ + 3 p q r

= ( -2)³ + ( - 1 )³ + ( 3)³ + 3 ( -2 ) ( -1 ) ( 3 )

= -8 + ( -1 ) + 27 + 3 ( 6 )

= -8 - 1 + 27 + 18

= 27 + 18 - 9

= 27 + 9

= 36 .

Answer 2

mark brain list answer

2p - 5p -8 +3r

2×3-5×3-8+3×2

6-15-8+6

12-15-8

-3-8

-11 is the answer