Math, asked by op164378, 6 months ago

If x = 2 and y= -2 then find the value of 7x² -3xy - 5y² plz tell me​

Answers

Answered by roy311282
0

Answer:

20

Step-by-step explanation:

7x²-3xy-5y²

= 7× 2² - 3.2.-2 - 5.-2²

= 7×4- (-12) - 5×4

= 28+12-20

= 40-20

= 20

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