factoring

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890

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5z^2-23z-10 I'm supposed to factor and simplify but I don't understand how I've gotten z=6.6 so it all =56 but i don't think that's the right formate

Guest May 15, 2012

admin · Answer 1 · 2012-05-15T04:59:28

[input]5z^2-23z-10[/input]

(z-5)*(5z+2)