18adrih 18adrih
  • 17-05-2022
  • Mathematics
contestada

Evaluate the expression 2x2+5y2 when x=−4 and y=3.

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Scabbers
Scabbers Scabbers
  • 17-05-2022

2x²+5y²

= 2×(-4)²+5×3²

=2×16+5×9

= 32+45

=77

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