Question

If x=4 and y=3 ,fine the value of x² + 7xy +y²​

Answer 1

Answer:

109

Step-by-step explanation:

x=4,y=3

= (4)²+7(4)(3)+(3)²

=16+7(12)+9

=16+84+9

=100+9

=109

Answer 2

Answer:

x²+7xy+y².....where x = 4 , y = 3

ab = - b/a (formula)

so, xy=-3/4

=>4²+7×-3/4+3²

=>16 + -21/4 + 9

=> 25 - 21/4

=>19.75

hope i help u....have a nice day