QuestionAugust 27, 2025

Factor the expression completely. 28+21x^2

Factor the expression completely. 28+21x^2
Factor the expression completely.
28+21x^2

Solution
4.7(232 votes)

Answer

7(4 + 3x^2) Explanation 1. Identify the Greatest Common Factor (GCF) The GCF of 28 and 21x^2 is 7. 2. Factor out the GCF Divide each term by 7: 28 \div 7 = 4 and 21x^2 \div 7 = 3x^2. The expression becomes 7(4 + 3x^2).

Explanation

1. Identify the Greatest Common Factor (GCF)<br /> The GCF of $28$ and $21x^2$ is $7$.<br />2. Factor out the GCF<br /> Divide each term by $7$: $28 \div 7 = 4$ and $21x^2 \div 7 = 3x^2$. The expression becomes $7(4 + 3x^2)$.
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