Question

calculati in Z ecuatia (x+3)×(x-7)=0​

Answer 1

Răspuns:

$\large \bf (x+3) \cdot(x-7)=0 \implies$

$\large \bf x+3=0 \implies x_{1} = - 3$

$\large \bf x - 7=0 \implies x_{2} = 7$

$\red{\large \bf x\in \{ - 3 ; 7 \}}$

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