1.2 x^2 - 1.3 x - 5.5

Which values of x, to two decimal places, satisfy the inequality? The answer is -1.67<x<2.75 How do I solve this?

Could I use a graphing calculator so I can solve for these? I must have two answers.

Which values of x, to two decimal places, satisfy the inequality? The answer is -1.67<x<2.75 How do I solve this?

Could I use a graphing calculator so I can solve for these? I must have two answers.

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