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Please Help!Factor completely 3x2 − 21. 3(x2 − 7) 3(x + 7)(x − 7) 3(x + 7)(x − 3) Prime
4 months ago
Q:
Please Help!Factor completely 3x2 − 21. 3(x2 − 7) 3(x + 7)(x − 7) 3(x + 7)(x − 3) Prime
Accepted Solution
A:
Answer:The fully factored form is 3(x^2 - 7))Step-by-step explanation:The only thing you can do with this equation is take out a factor of 3. You cannot simplify the resulting parenthesis without using irrational numbers.