Find answers to your questions faster and easier with IDNLearn.com. Get prompt and accurate answers to your questions from our community of experts who are always ready to help.
Answer:
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