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Mathematics
, 19.08.2019 03:30
hannahsambrano12
What is a simpler form of the following expressions?
(j + 7)(j - 7)
a. j² +14j - 49
b. j² - 14j - 49
c. j² + 14j - 49
d. j²- 49
Answers: 1
Show answers
Answers
Answer from:
hellp138
J x j = j^2
j x -7 = -7j
7 x -7 = -49
j x 7 = 7j
j^2 - 7j + 7j - 49 = D = j^2 - 49
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8 apples are left.
step-by-step explanation:
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10 apples
take 2
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What is a simpler form of the following expressions?
(j + 7)(j - 7)
a. j² +14j - 49
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