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Complete the equivalent equation for – 7x - 60 = x2 + 10x.

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What are the solutions of -7x-60 = 2 + 10x?
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1 Answer

5 votes

Answer:

Equivalent equation:
x^(2) +17x +60=0

Solution: x = {-12, -5}

Explanation:


-7x-60=x^(2) +10x\\x^(2) +10x+7x +60=0\\x^(2) +17x +60=0\\x^(2) +12x+5x +60=0\\x(x+12)+5(x+12)=0\\(x+12)(x+5)=0\\x+12=0\: or \: x+5=0\\x=-12\: or \: x=-5\\x=-12,\:-5\\

User Darshan Puranik
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