Question

q1] 7x-42, -16z+20z^3

Answer 1

Step-by-step explanation:

(i) y − z

(ii)

(iii) z2

(iv)

(v) x2 + y2

(vi) 5 + 3 (mn)

(vii) 10 − yz

(viii) ab − (a + b)

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