The expression 9x+21 factored using the GCF is 3(3x + 7)
The given expression is:
9x + 21
The factors of 9x = 1, 3, 9, x, 3x, and 9
The factors of 21 = 1, 3, 7, and 21
Common factors of 9x and 21 = 1 and 3
Greatest Common Factor, GCF, of 9x and 21 = 3
Factoring the GCF out of 9x + 21, the resulting expression becomes:
3(3x + 7)
Therefore, the expression 9x+21 factored using the GCF is 3(3x + 7)
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