Question

find the value of =3x^2+2y^2-2 for x=3 and y=-1

Answer 1

Answer:

The answer is 27

Step-by-step explanation:

The value of $3x^2+2y^2-2$ when $x=3,y=-1$ is

                  $=3(3)^2+2(-1)^2-2\\=3(9)+2(1)-2\\=27+2-2\\=27$

(Just put the value of x and y in the given expression and simplify )