Two integers differ by 12 and the sum of their squares is 74. Find the integers. The answers are : -7 and 5 or 7 and -5. Could you please show me how to work this problem out?
Last edited by Tessarina; Feb 12th 2010 at 02:27 PM.
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Let the integers be and Originally Posted by Tessarina Two integers differ by 12 this means and the sum of their squares is 74. this means Find the integers. What can you do with the above equations?
Originally Posted by Jhevon Let the integers be and this means this means What can you do with the above equations? That is where i got up to, but i dont know how to get to the final answer.
Substitute into the equation yielding , which can be solved using the quadratic formula.
Originally Posted by icemanfan Substitute into the equation yielding , which can be solved using the quadratic formula. Could you please show me the working out to get to the answer?
Hello Tessarina Originally Posted by Tessarina Could you please show me the working out to get to the answer? So the solutions are and . Grandad
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