How do I find one side of an angle
2 answers:
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Answer:
or
Step-by-step explanation:
To solve the quadratic equation we must factor the expression
Look for 2 numbers that when you multiply them, obtain the result -100 and when you add them, obtain the result -15.
You can verify that these numbers are -20 and 5
Then the polynomial factors are
The zero product property says that if two terms then
or
So
or
or