alleryWhich pair solves x² − 2x − 15 = 0?
A−5 and 3
B−15 and 1
C−1 and 15
D−3 and 5
Answer & Solution
Correct answer: D. −3 and 5
Factoring gives (x−5)(x+3)=0, so the roots are 5 and −3.
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