What is the radius of a circle whose equation is (x + 5)2 + (y - 3)2 = 42?
2 answers:
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Answer:
y² -7y+12
Step-by-step explanation:
first, you have to multiply each character on the first parenthesis to the second one, one by one. just like the picture attached.
then, combine all of the same variable. like the 2 variable that has y.
