Math, asked by harishgarg8364, 6 months ago

Find the value of 4x square +25y square - 20xy for x=-4 and y=2

Answers

Answered by likithaaradhya20

1

Answer:

324

Step-by-step explanation:

x=-4. y=2

4x²+25y²-20xy

4×(-4)²+25×(2)²-20×(-4)(2)

4×16+25×4-20×-8

64+100-(-160)

64+100+160

=324

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