Question

Evaluate:

i.12p(q–r)+2q,wherep=1,q=2&r=3

ii.8(m+n)+7mn+3(m–n),wherem=5,n=3​

Answer 1

Answer:

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Answer 2

Answer:

i. 12×1×(2 - 3 ) + 2× 2

= - 12 + 4

= - 8

ii. 8×(5+3)+ 7×5×3 +3×(5 -3)

= 8×8 + 105 + 6

= 64 + 105 + 6

= 175