# Solving Equations and Inequalities

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2x^2+x-15=0

solve each inequality. State the solution set using interval notation.

1-2x/5-x<0

1/3x-2/5y=5/6

2x-3y=9

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solve each equation

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2x^2+x-15=0

Solution. We factor the left hand side to get

So, implies that

2x+5=0 or x-3=0

So,

x=-5/2 or x=3

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