Question

30 - 1 -28
$3 {x}^{2} - 9x - 30$
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Answer 1

$3x {}^{2} - 9x - 30$

$3(x {}^{2} - 3x - 10$

$3(x {}^{2} - 5x + 2x - 10)$

$3(x(x - 5) + 2(x - 5))$

$3(x - 5)(x + 2)$

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Answer 2

Answer:

3x^2-15x+6x-30=0

3x(x-5)+6(x-5)=0

(3x+6)(x-5)=0

3x+6=0

3x=-6

x=-2

x-5=0

x=5

x=-2,5

Step-by-step explanation:

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