3 years ago

Solve by factoring n^2+2n-15=0. With steps please.

1 answer:

7 0

$n^2+2n-15=0\\
n^2+5n-3n-15=0\\
n(n+5)-3(n+5)=0\\(n-3)(n+5)=0\\
n=3 \vee n=-5$

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