When asked to factor the x^2 - 144, a student gives the answer (x - 12)(x - 12). What is the wrong with this answer? A. -1 is al
so a factor B. One of the minus signs should be a plus sign C. Both minus signs should be plus signs D. There is nothing wrong with the answer
1 answer:
Answer:
The answer is option B.
One of the minus signs should be a plus sign
Since x² - 144 is a difference of two squares it's written as
( x - 12)( x + 12) and not ( x - 12)(x - 12)
Hope this helps you
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