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Let a and b be the solutions to 7x^2 + x - 5 = 6x^2 - 11x - 2. Compute (a - 4) + (b - 4).

 Feb 16, 2024
 #1
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Simplify

x^2 + 12x - 3  =  0 

 

Sum of the roots =  a + b =  -12

 

(a - 4) + ( b - 4)  =   (a + b) - 8  =  -12  - 8  =   -20

 

cool cool cool

 Feb 16, 2024

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