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

Question

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

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3 weeks 2021-09-09T16:32:15+00:00 2 Answers 0 views 0

Answers ( )

  1. Emma
    0
    2021-09-09T16:33:27+00:00

    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.

  2. Emma
    0
    2021-09-09T16:34:03+00:00

    Answer: -13

    Step-by-step explanation:

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

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

    = [ (-18) ] + [ 5 ]

    = [ (-13 ]

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18:9+8+9*3-7:3-1*13 = ? ( )