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Write down the quadratic equation whose roots are x = 1 and x = -7 and the coefficient of is 1.
 

 Dec 8, 2020
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Write down the quadratic equation whose roots are x = 1 and x = -7 and the coefficient of is 1.    

 

X = 1 means that one of the factors is (X – 1) and  

X = –7 means that the other factor is (X + 7)  

 

Multiply them together   (X – 1)(X + 7)   and the equations is   X2 + 6X – 7 = 0  

.

 Dec 8, 2020

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