Factoring Quadratic equations using a calculator (Sharp EL-520X)

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This video will show you how to factor more complex quadratics using the Sharp EL-520X. It also shows you how to convert decimals into fractions. It includes how to write out in factored form once you get your answer on the calculator.
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You can just factor out 20 at the beginning:
20x² - 17x - 63 = 20(x² - (17/20)x - 63/20) = 20(x - 9/4)(x + 7/5)

happythedog
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Incredible. Thank you. Hey how about graphing. Can we do graphing with this calculator?

CodeTalkerLooter
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I using sharp EL-W531S how to change x=non-terminating decimal into improper fraction in quadratic eq for the calculator, I cant solve the eq because of this stupid thing, PLS REPLY ASAP!!!!

joshuakoh