Math, asked by waunpower, 9 months ago

5z^2-21z+4=0 does anyone know

Answers

Answered by Anonymous
2

5z² - 20z - z + 4 = 0

5z ( z - 4 ) -1 ( z - 4 ) = 0

z = 1/5 or 4

Answered by Anonymous
0

Answer:

5z^2-20z-1z+4=0

5z(z-4)-1(z-4)=0

(5z-1)(z-4)=0

(z=1/5) or z=4

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