Question

10. Simplify the expression and find its value when x=3 and y=-2.
2(x2 + y²) - xy +14​

Answer 1

Answer:

see below

Step-by-step explanation:

2(×^2+y^2)-xy+14

2(3^2+-2^2) -(3)(-2) +14

2(9-4)-(-6)+14

2(5)+6+14

10+6+14

=20+10

=30

Hope it helps you!!

Answer 2

Answer:

2(2x + y^2) - xy + 14

when x = 3 and y = -2

2[( 2 x 3 ) + (- 2 x - 2 )] - [3 x (-2)] + 14

2[ 6 + 4 ] + 6 + 14

12 + 8 + 6 +14

40

Step-by-step explanation:

40 is the answer..