Factor 7w2−175.(1 point)
−7(w−25)
7(w−25)
7(w−5)(w+5)
7(w−5)(w−5)
1 answer:
Answer:
7(w + 5)(w -5)
Step-by-step explanation:
a² - b² = (a + b)(a - b)
7w² - 175 = 7w² - 7*25
= 7(w² - 25)
= 7(w² - 5²)
= 7(w + 5)(w -5)
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