Question

if x=2,y=3then find
9y²-10x²​

Answer 1

Answer:

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Step-by-step explanation:

GIVEN:

x=2,y=3

TO FIND :

9y²-10x²

ANSWER :

9×3×3-10×2×2

=81 - 40

=41

Answer 2

Answer:

If x=2 and y=3,9y2-10x2

=9×3×3-10×2×2

=9×9-10×4

=81-40

=41

Therefore when x=2,y=3 then the value of 9y²-10x² is 41

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