Question

Q4. Find the value
of expression
when 5x²-2 when x =3​

Answer 1

Here, 5x²-2

= 5×3²-2

= 5×9-2

= 45-2

= 43 Ans.

Answer 2

Answer:

5x²-2

when x=3

=5×3×3-2

=45-2

=43