Question

the value of 5/2 x²+5 at x = -3 is ____​

Answer 1

$\red{\boxed{\boxed{ \frac{55}{2} }}}$

Step-by-step explanation:

x = 3

___________

= 5/2 x² + 5

= 5/2 3² + 5

= 5/2 x 9 + 5

= 45/2 + 5

= 55/2

${\purple{\boxed{ {\mathfrak{\underline{\purple{ @11177420 }}}} }}}$

Answer 2

Answer:

please refer to the attachment