Question

2x²-2x-12 plz tell fast​

Answer 1

Answer:

2x^2-2x-12=0

2x^2-6x+4x-12=0

2x(x-3)+4(x-3)=0

x=3,x= -2

hence 3,-2

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Answer 2

Question:-

Solve 2x²-2x-12.

Answer:-

2x² - 2x - 12

→ [ 2x² – 6x + 4x – 12 ]

→ [ 2x (x–3) + 4 (x–3) ]

→ [ (x–3) (2x+4) ]

Here, two cases are present:-

(i) x – 3 = 0 => x = 3

(ii) 2x + 4 = 0

→ 2x = (–4)

→ x = (–2)

$\therefore \: x \: = \: 3 \: , \: ( - 2)$