Question

If x = 2 and y = –1 then the value of 7x² –3xy +5y² is:​

Answer 1

Step-by-step explanation:

7(2)²-3(2)(-1)+5(-1)²

7(4)+6+1

28+6+1

35

Answer 2

Answer:

Given x=2 and y=-1

To find,

7x²-3xy+5y²

7x2²-3x2x(-1)+5x(-1)²

14²-(-6)+(-5)²

196+6+25

196+31

=227(Answer)

Step-by-step explanation:

Hope it will help you brother or sister