HelloWorldofMath HelloWorldofMath

24-01-2022
Mathematics

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one of the roots of the equation 2x^2-bx-20=0 is -2.5. find the other root

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mathistrash1963 mathistrash1963

25-01-2022

Answer:

Here is an actual answer.

(2x + z)(x + 2.5).

Step-by-step explanation:

In general, a quadratic equation in standard form is: ax2 + bx + c and other stuff I forget.Therefore, from 2x2 - bx -20, we obtain: (2x + z)(x + 2.5).

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