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anonymous
 one year ago
Identify the factors of x2  8x  20.
(x + 4)(x  5)
(x + 5)(x  4)
(x  10)(x + 2)
(x  2)(x + 10)
anonymous
 one year ago
Identify the factors of x2  8x  20. (x + 4)(x  5) (x + 5)(x  4) (x  10)(x + 2) (x  2)(x + 10)

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Nnesha
 one year ago
Best ResponseYou've already chosen the best response.04+ ways to factor quadratic equation leading coefficient is one so easy way to factor out is by using *AC method or headphone method whatever you wanna call it :D so find two number if you multiply them you should get product of AC and if you add or subtract them you should get middle term

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.0ac and middle terms are \[\huge\rm Ax^2+Bx+C=0\] where a= leading coefficient b=middle term c=constant term

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.0so in this equation x^28x20 a=1 c=20 b=8 so find two number if you mtuliply them you should get 20 and if you add or subtract them you should get 8

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.0one of them should be negative bec when you multiply them you should get 20
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