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solve for z: -42z^2 = 14z

Sagot :

[tex]\\ \rm\Rrightarrow -42z^2=14z[/tex]

[tex]\\ \rm\Rrightarrow 42z^2=-14z[/tex]

[tex]\\ \rm\Rrightarrow 3z^2=-z[/tex]

[tex]\\ \rm\Rrightarrow 3z=-1[/tex]

[tex]\\ \rm\Rrightarrow z=-1/3[/tex]

  • Another root is 0
BabyBital

Answer:

[tex] - \frac{844}{29} z[/tex]

Step-by-step explanation:

I hope to help

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