5m2+10m + 2 =0 I am trying to solve this equation by using the quadratic equation. I am having trouble coming up with the correct answer. Can you help me?

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-b +- sqrt b^2-4ac  /  2a -10 +- sqrt 10^2- 4(5)(2)  /  2(5) -10 +- sqrt 100 – 40  /  10 -10 +- sqrt 60  /  10 -10 +- 2sqrt 15  /  10 Divide everything by 2 (except the sqrt because it's an unlike term) -5 +- sqrt 15  /  5 So... -5 + sqrt 15  /  5      or      -5 - sqrt 15  / 5