Question

Find the value of the following: i) 3m+2n ii) -m2-7mn+1, when m=0; n=-2
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Answer 1

Answer:

i) -4 ii) +1

Step-by-step explanation:

(i) 3m + 2n

= 3(0) + 2(-2)

= -4

(ii) -m2 - 7mn+1

= -(0)2 - 7(0)(-2) + 1

= +1

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Answer 2

Answer:

here m =0and n= -2

1) 3m+2n

=3×0+2×(-2)

=0+(-4)

-4 answer

2) -m2-7mn+1

=-0×2-7×0×(-2) +1

=0-0+1

=1 answer