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X^2+x<12 show your steps

User Aqib
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1 Answer

4 votes

Answer:

Explanation:


x^(2) +x-12 < 0\\D=1+48=49=7^(2) \\x1=(-1+7)/2=3\\x2=(-1-7)/2=-4\\so, (x-3)(x+4) < 0;

User Mreyeros
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