Question

If a=2 b=-1 and c=3 evaluate
a)3a-2b
b)c squared + b

Answer 1

Answer:

(a) 3×2-2×1

=6-2

=4 answer

(b)3square=9

=9+(-1)

=9-1

=8 answe

Answer 2

Answer:

$a)3a - 2b \\ \\ = 3 \times 2 - 2 \times -1 \\ \\ = 6 + 2 \\ \\ = 8 \: \: answer \\ \\ b)( {c)}^{2} + b \\ \\ = ({3)}^{2} -1 \\ \\ = 9 - 1 \\ \\ = 8 \: \: answer$

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