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Solve using the quadratic formula: 2x^2+10x+15=0
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5 votes
Solve using the quadratic formula: 2x^2+10x+15=0

User Rvandoni
by
7.6k points

1 Answer

4 votes

Answer:

-1.382 & -3.618

Explanation:

-b+-sqrtb^2-4ac/2a

a=2

b=10

c=15

-10+-sqrt10^2-4(2)(15) = -10+-sqrt20

= -10 +- 4.472

= -10 + 4.472 =-5.528/4 =-1.382

-10 - 4.472 =-14.472/4 = -3.618

User The Badak
by
8.3k points
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