Question

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(x-2) (x+ 30 (x - 4)= 0

Answer 1

$31 {x}^{2} - 182x + 240$

Explicação:

$(x-2) (x+ 30 (x - 4))$

$(x - 2) \times (x + 30x - 120)$

$(x - 2) \times (31x - 120)$

$31 {x}^{2} - 120x - 62x + 240$

$31 {x}^{2} - 182x + 240$