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Can you please help me with 7,8, and 9 :)

Can you please help me with 7,8, and 9 :)
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1 vote
Can you please help me with 7,8, and 9 :)

Can you please help me with 7,8, and 9 :)-example-1
User Ikhsanudinhakim
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1 Answer

4 votes

x^2+7x=-12\\x^2+7x+12=0\\x^2+3x+4x+12=0\\x(x+3)+4(x+3)=0\\(x+4)(x+3)=0\\x=-4\ and \ x=-3
User Cystack
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