Question

Find the value of 3x2 + 2y2 – 2 for x = 3 and y = 1.


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Answer 1

x=10

y=3

Therefore,

(3x10²+2x3²) : (3x10²-2x3²)

(300+18) : (300-18)

318 : 282

=318/282

=53/47

= 53 : 47

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Answer 2

Answer:

3x3x2+2x1x2-2

=18+2

=20