Math

QuestionDetermine the true statement for x=5x=-5: x2+10x^{2}+10, x+x+xx+x+x are equal, or one is greater than the other.

Studdy Solution

STEP 1

Assumptions1. We are given that x=5x = -5 . We are asked to compare the expressions x+10x^{}+10 and x+x+xx+x+x

STEP 2

First, let's simplify the right-hand side expression x+x+xx+x+x.
x+x+x=xx+x+x =x

STEP 3

Now, plug in the given value for xx into the simplified right-hand side expression to calculate its value.
3x=3(5)3x =3(-5)

STEP 4

Calculate the value of the right-hand side expression.
3x=3()=153x =3(-) = -15

STEP 5

Now, let's plug in the given value for xx into the left-hand side expression x2+10x^{2}+10 to calculate its value.
(x2+10)=((5)2+10)(x^{2}+10) = ((-5)^{2}+10)

STEP 6

Calculate the value of the left-hand side expression.
(x2+10)=((5)2+10)=25+10=35(x^{2}+10) = ((-5)^{2}+10) =25 +10 =35

STEP 7

Now that we have the values of both expressions, we can compare them.The left-hand side expression x2+10x^{2}+10 is equal to35 and the right-hand side expression x+x+xx+x+x is equal to -15.
Therefore, the statement x2+10>x+x+xx^{2}+10 > x+x+x is true when x=5x = -5.

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