Nwamkhacani Nwamkhacani

07-06-2022
Mathematics

contestada

when a number x is added to it's square, the total is 12. find two possible values of x

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suspho9 suspho9

07-06-2022

Answer:

x=3 or x=−4

Step-by-step explanation:

when a number x is added to it's square, the total is 12. find two possible values of x

x+x^2=12

x^2+x=12

x^2+x−12=12−12

x^2+x−12=0

(x−3)(x+4)=0

x−3=0 or x+4=0

x=3 or x=−4

x=3 or x=−4

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