Question

factorise 3 + 23z - 8z^2 who give first i make brilliant ​

Answer 1

Answer:

-8Z^2+23Z+3=0

-(8Z^2-23Z-3)=0

8Z^2-23Z-3=0

8Z^2-24Z+Z-3=0

8Z(Z-3)+1(Z-3)=0

(Z-3) (8Z+1)=0

so Z=3 , Z= -1/8

Answer 2

3+23z-8z²

3+24z-z-8z²

3(1+8z)-z(1+8z)

(1+8z)(3-z)

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