11 months ago

For which interval does this quadratic inequality hold true?

Mathematics

1 answer:

adoni [48]11 months ago

3 0

Answer:

Step-by-step explanation:

x²-4x-12≤0

x²-6x+2x-12≤0

x(x-6)+2(x-6)≤0

(x-6)(x+2)≤0

x=6,-2

∴ value of x lies between -2 & 6

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