khyasiakirkland khyasiakirkland

07-05-2019
Mathematics

contestada

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

Respuesta :

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

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TwentyOneRoses TwentyOneRoses

23-07-2021

Answer:

C. 1

Step-by-step explanation:

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