SOLUTION: How would you find x on an isoceles triangle if the base is 9, and the two congruent sides are 5x^2+9x-10 and 4x^2+5x+11

Question 666659: How would you find x on an isoceles triangle if the base is 9, and the two congruent sides are 5x^2+9x-10 and 4x^2+5x+11
Answer by MathLover1(20855) (Show Source): You can put this solution on YOUR website!
the two congruent sides are and ;
so if two sides congruent, we have
....solve for

.....use quadratic formula

.....since side has to be positive, we will look for positive root only

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