What two numbers multiply to be 224 and add up to be a negative 84?

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Joe Johnston · Answer

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Wiki User · Answer

Obviously, this must be two negative numbers. Look for different factor pairs of the number 224, until you find the solution: (-1)(-224) - doesn't add up to -84 (-2)(-112) - doesn't add up either (-4)(-56) - doesn't add up either ... It seems that shis doesn't have an integer solution; you will just have to use the quadratic equation  for this one. Since this is equivalent to the equation x2 - 84x + 224 = 0, you would use the quadratic equation with x = 1, b = -84, and c = 224.Obviously, this must be two negative numbers. Look for different factor pairs of the number 224, until you find the solution: (-1)(-224) - doesn't add up to -84 (-2)(-112) - doesn't add up either (-4)(-56) - doesn't add up either ... It seems that shis doesn't have an integer solution; you will just have to use the quadratic equation for this one. Since this is equivalent to the equation x2 - 84x + 224 = 0, you would use the quadratic equation with x = 1, b = -84, and c = 224.Obviously, this must be two negative numbers. Look for different factor pairs of the number 224, until you find the solution: (-1)(-224) - doesn't add up to -84 (-2)(-112) - doesn't add up either (-4)(-56) - doesn't add up either ... It seems that shis doesn't have an integer solution; you will just have to use the quadratic equation for this one. Since this is equivalent to the equation x2 - 84x + 224 = 0, you would use the quadratic equation with x = 1, b = -84, and c = 224.Obviously, this must be two negative numbers. Look for different factor pairs of the number 224, until you find the solution: (-1)(-224) - doesn't add up to -84 (-2)(-112) - doesn't add up either (-4)(-56) - doesn't add up either ... It seems that shis doesn't have an integer solution; you will just have to use the quadratic equation for this one. Since this is equivalent to the equation x2 - 84x + 224 = 0, you would use the quadratic equation with x = 1, b = -84, and c = 224.

Wiki User · Answer

Obviously, this must be two negative numbers. Look for different factor pairs of the number 224, until you find the solution: (-1)(-224) - doesn't add up to -84 (-2)(-112) - doesn't add up either (-4)(-56) - doesn't add up either ... It seems that shis doesn't have an integer solution; you will just have to use the quadratic equation for this one. Since this is equivalent to the equation x2 - 84x + 224 = 0, you would use the quadratic equation with x = 1, b = -84, and c = 224.

What two numbers multiply to be 224 and add up to be a negative 84?

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