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1. Solve (x+19)(x-11)(x+18)>0

2. Solve the equation 2x^2-x=-7

1 answer

1.

All parts must be great of 0

less numbe is 11

solution x > 11

2.

In google type:

quadratic equation online

When you see list of results click on:

Free Online Quadratic Equation Solver:Solve by Quadratic Formula

When page be open in rectangle type:

2x^2-x=-7

and click option: solve it!

You wil see solution step-by-step
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