When asked to factor the x^2 - 144, a student gives the answer (x - 12)(x - 12). What is wrong with this answer? A. Both minus signs should be plus signs l

B. One of the minus signs should be a plus sign

C. There is nothing wrong with this answer

D. -1 is also a factor

B

Step-by-step explanation:

because in general

(a + b)(a - b) = a² - b²

when the second term is negative, it has to be the product of a positive and a negative number.

positive × positive = positive

negative × negative = positive

ha!

i just did this!

18. g

20. h 30 degree turn.

21. d 90 degree angles

and also 19 is a. a sphere not a cirlcle

hope i !

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