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The roots of x^2 + 8x + 4 = 0 are the same as the roots of 2x^2 + Ax + B = 0. What is A + B?

 Aug 8, 2021
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Multiplying a polynomial by a constant does not change the roots....so

  multiply  x^2 + 8x + 4 = 0     by 2    to get    2x^2 + 16x + 8 = 0      <=====mow you can see A and B to finish !

 Aug 8, 2021

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