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Simplify the expression:

[tex]\[ x^3 + x^5 - x^7 = \][/tex]


Sagot :

Sure, let's solve and simplify the expression [tex]\( x^3 + x^5 - x^7 \)[/tex].

To simplify the given expression, we need to look for common factors in each term.

The expression is:
[tex]\[ x^3 + x^5 - x^7 \][/tex]

1. First, identify the greatest common factor (GCF) of all the terms:
- The GCF of [tex]\( x^3 \)[/tex], [tex]\( x^5 \)[/tex], and [tex]\( x^7 \)[/tex] is [tex]\( x^3 \)[/tex], as it is the highest power of [tex]\( x \)[/tex] that can be factored out from each term.

2. Factor [tex]\( x^3 \)[/tex] out from each term:
[tex]\[ x^3 (1) + x^3 (x^2) - x^3 (x^4) \][/tex]

3. Simplify to:
[tex]\[ x^3 \left( 1 + x^2 - x^4 \right) \][/tex]

After factoring, we get:
[tex]\[ x^3 \left( 1 + x^2 - x^4 \right) \][/tex]

However, if we reconsider the expanded form, we observe that the simplest expression without further reduction is:
[tex]\[ -x^7 + x^5 + x^3 \][/tex]

Thus, the simplified expression for [tex]\( x^3 + x^5 - x^7 \)[/tex] remains:
[tex]\[ -x^7 + x^5 + x^3 \][/tex]

So the simplified form of [tex]\( x^3 + x^5 - x^7 \)[/tex] is:
[tex]\[ -x^7 + x^5 + x^3 \][/tex]
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