Mathematics: Find all solutions to the equations: y^2=14y-24 x^4-81=0

Mathematics

19.02.2021 15:10

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Find all solutions to the equations: y^2=14y-24 x^4-81=0

Find all solutions to the equations:
y^2=14y-24

x^4-81=0

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jasonkindred21

5,0(59 marks)

y2=14y-24

y2-14y+24=0

y2-2y-12y+24=0

yx(y-2)-12(y-2)=0

(y-2)x(y-12)=0

y-2=0

y-12=0

y=2

y=12

y1=2,y2=12

x4-81=0

x4=81

x=+3

x=-3

x=3

x1=-3.x=3

cabriantenpenny

4,4(18 marks)

Step-by-step explanation:

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Find all solutions to the equations: y^2=14y-24 x^4-81=0

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