Question

find the values of the following expression for the given values X3+X2+X+5when X=-3​

Answer 1

Answer:

We simply substitute x=1,y=2 in the given expression x

2

+y

2

as shown below:

x

2

+y

2

=(1)

2

+(2)

2

=1+4=5

Hence, the value of the expression x

2

+y

2

=5 when x=1,y=2.

Answer 2

Answer: -13

Step-by-step explanation:

   [ (-3) × 3 ] + [ (-3) × 2 ] + [ (-3) ] + [ 5 ]

= [ (-9) ] + [ (-6) ] + [ (-3) ] + [ 5 ]

= [ (-18) ] + [ 5 ]

= [ (-13 ]