SOLUTION: 9) Solve the equation by the method of factoring. Use the factoring technique discussed in Section 6.4 of our text, and solve following the methods discussed in Section 6.7. 5

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: 9) Solve the equation by the method of factoring. Use the factoring technique discussed in Section 6.4 of our text, and solve following the methods discussed in Section 6.7. 5      Log On


   

Question 1058815: 9) Solve the equation by the method of factoring. Use the factoring technique discussed in Section 6.4 of our text, and solve following the methods discussed in Section 6.7. 5x^2+22x+8=0
Answer by solve_for_x(190) About Me  (Show Source):
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5x^2 + 22x + 8 = 0

(5x + 2)(x + 4) = 0

Setting each factor equal to 0 and solving for x gives:

5x + 2 = 0

5x = -2

x = -2/5

x + 4 = 0

x = -4

Solutions: x = -2/5, x = -4