solve the question in picture all
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Step-by-step explanation:
x + 6 ) x² - x - 42 ( x - 7
x²+ 6x
(-) (-)
---------------------------------
-7x - 42
-7x - 42
(+) (+)
---------------------------------
0
---------------------------------
as the remainder is zero, x + 6 is a factor of
x² - x - 7
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