SOLUTION: Try factoring first. If factoring is not possible or is difficult, use the quadratic formula.
2x^2 + 8x = -1
Algebra.Com
Question 173415This question is from textbook Introductory Algebra
: Try factoring first. If factoring is not possible or is difficult, use the quadratic formula.
2x^2 + 8x = -1
This question is from textbook Introductory Algebra
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
2x^2 + 8x = -1
----
2x^2 + 8x + 1 = 0
Quad Formula:
x = [-8 +- sqrt(64-4*2*1)]/4
x = [-8 +- sqrt(56)]/4
x = [-8 +- 2sqrt(14)]/4
x = [-2 +- (1/2)sqrt(14)]
================================
Cheers,
Stan H.
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