Question

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Answer 1

Step-by-step explanation:

$(a) \: \: \: 3x - 7$

$(b) \: \: \: {x}^{2} + {y}^{3} + z + 27$

$(c) \: \: \: 5ab - 9$

$( d) \: \: \: {z}^{3} - 4z$

$(e) \: \: \: pqr + p + q + r$

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Answer 2

Answer:

a)3x-7

b)[(x^2)+(y^3)+z]+27

c) 5(a×b)-9

d) (z^3)-4z

e) (p+q+r)+pqr

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