How do you factor the expression $3 z^{2} - 13 z - 30$ $3z^2 - 13z - 30$ ?

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How do you factor the expression $3 z^{2} - 13 z - 30$ $3z^2 - 13z - 30$ ?

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Answer 1 · 2016-03-19T15:46:23

$= (x * b o l d e d \cdot - 6) (3 x + 5)$ $=(x **bolded text** -6)(3x+5)$

Explanation:

$3 x^{2} - 13 x - 30$ $3x^2-13x-30$
$= 3 x^{2} - 18 x + 5 x - 30$ $=3x^2-18x+5x-30$
$= 3 x (x - 6) + 5 x (x - 6)$ $=3x(x-6)+5x(x-6)$
$= (x - 6) (3 x + 5)$ $=(x-6)(3x+5)$
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How do you factor the expression $3 z^{2} - 13 z - 30$ $3z^2 - 13z - 30$ ?

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How do you factor the expression $3 z^{2} - 13 z - 30$ $3z^2 - 13z - 30$ ?