keyonneahjackson23 keyonneahjackson23

12-05-2020
Mathematics

contestada

Factor the polynomial below. x^2 + 15 + 56

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khalil2012am khalil2012am

12-05-2020

Answer:

x=-7, x=-8

Step-by-step explanation:

x^2 +15x +56=0

look for two numbers that their sum is 15 and their product =56

(x+7)(x+8)=0

x=-7, x=-8

Answer Link

ghanami ghanami

12-05-2020

Answer:

Step-by-step explanation:

x²+15x+56 =(x+7)(x+8)

Answer Link

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