High School

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Factor the expression:

[tex]\[ 7x^3 + 28x^2 \][/tex]

Answer :

To factor the expression [tex]\(7x^3 + 28x^2\)[/tex], we can follow these steps:

1. Identify the greatest common factor (GCF):
The terms in the expression are [tex]\(7x^3\)[/tex] and [tex]\(28x^2\)[/tex]. The GCF of the coefficients, 7 and 28, is 7. Both terms also contain [tex]\(x\)[/tex] as a factor, with the smallest power being [tex]\(x^2\)[/tex].

2. Factor out the GCF:
We can factor out [tex]\(7x^2\)[/tex] from each term. The expression becomes:
[tex]\[
7x^2(x + 4)
\][/tex]
Here's how this works:
- [tex]\(7x^3\)[/tex] divided by [tex]\(7x^2\)[/tex] gives [tex]\(x\)[/tex].
- [tex]\(28x^2\)[/tex] divided by [tex]\(7x^2\)[/tex] gives 4.

3. Result:
So, the fully factored form of the expression [tex]\(7x^3 + 28x^2\)[/tex] is:
[tex]\[
7x^2(x + 4)
\][/tex]

This is the simplified, factored form of the given polynomial expression.

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