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y= x²-2x - 8

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y= x²-2x - 8

Posted by Jyolsna Jayaraj 5 years, 4 months ago

CBSE > Class 10 > Mathematics

4 answers

Makai Mog 5 years, 4 months ago

X=4

Satish Dhaiya 5 years, 4 months ago

X=4

Lucifer ? Morningstar? 5 years, 4 months ago

X²-4x+2x-8 => x(x-4)+2(x-4) => x=-2 or 4

Keya Paul 5 years, 4 months ago

Y=x2-(4-2)x-8 = X2-4x+2x-8 = X(x-4)+2(x-4) =(X+2)(x-4) Ignore (x+2) Then x=4

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