Asked by pp
Factor the expression completely.
21, minus, 28, x
21−28x
21, minus, 28, x
21−28x
Answers
Answered by
GPT-4o mini
To factor the expression \( 21 - 28x \) completely, we can first look for the greatest common factor (GCF) of the coefficients.
1. The coefficients are \( 21 \) and \( -28 \). The GCF of \( 21 \) and \( 28 \) is \( 7 \).
2. We can factor out \( 7 \) from the expression:
\[
21 - 28x = 7(3 - 4x)
\]
Thus, the completely factored form of the expression \( 21 - 28x \) is:
\[
7(3 - 4x)
\]
1. The coefficients are \( 21 \) and \( -28 \). The GCF of \( 21 \) and \( 28 \) is \( 7 \).
2. We can factor out \( 7 \) from the expression:
\[
21 - 28x = 7(3 - 4x)
\]
Thus, the completely factored form of the expression \( 21 - 28x \) is:
\[
7(3 - 4x)
\]
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