khyasiakirkland khyasiakirkland
  • 07-05-2019
  • Mathematics
contestada

The equation x2 – 1x – 90 = 0 has solutions {a, b}. What is a + b?.​

Respuesta :

TriggerTommyHappy
TriggerTommyHappy TriggerTommyHappy
  • 07-05-2019

If you factor out the equation you get

(X-10)(x+9)

So the solution is -9 and 10

And you add together you get 1

Answer Link
TwentyOneRoses
TwentyOneRoses TwentyOneRoses
  • 23-07-2021

Answer:

C. 1

Step-by-step explanation:

Answer Link

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