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Solve by factoring: One of the solutions to the quadratic equation x2 + 3x - 28 is x = -7. What is the other solution? (Type only the numerical value of the other solution. Do not use any variables or skip any spaces.) For the other solution, x = ?

19.
Solve by factoring: One of the solutions to the quadratic equation 2x2 - 7x + 5 is x = (5/2). What is the other solution? (Type only the numerical value of the other solution. Do not use any variables or skip any spaces.) The other solution is x = ?

Respuesta :

CelticGurdian

well the other value is X=4 because -28 would 7 x -4 and in (x+7) and (x-4), you would equal them to 0 so it would be -7 and positive 4

19.  X=1

the trinomial is ( 1-1x) + (5 -2x)=0


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