SOLUTION: The product of two odd Intergers is 143. Write an equation whose solution is one of the Intergers. Use Factoring to solve the equation and find both Intergers.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: The product of two odd Intergers is 143. Write an equation whose solution is one of the Intergers. Use Factoring to solve the equation and find both Intergers.      Log On


   

Question 113295This question is from textbook Beginning and Intermediate Algebra
: The product of two odd Intergers is 143. Write an equation whose solution is one of the Intergers. Use Factoring to solve the equation and find both Intergers. This question is from textbook Beginning and Intermediate Algebra

Answer by checkley71(8403) About Me  (Show Source):
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X(X+2)=143
X^2+2X=143
X^2+2X-143=0
(X-11)(X+13)=0
X-11=0
X=11 ANSWER.
X+13=0
X=-13 ANSWER.
PROOF
11(11+2)=143
11*13=143
143=143
-13(-13+2)=143
-13*-11=143
143=143