gisselleavila
contestada

Shauna solved the polynomial equations given in the table.
Determine whether each polynomial is correct. Select Correct or Incorrect for each equation.
Equation
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(5a - 8) + (2a² + 2a − 1) = 2a² + 7a - 9
(6² +6b-4) (3b +6²) = 26² +36-4
(9c-4c²) - (2c² + c) = -6c² + 10c
-
Correct
Incorrect

Respuesta :

evgeniylevi

Answer:

(5a - 8) + (2a² + 2a − 1) = 2a² + 7a - 9 - correct.

Step-by-step explanation:

(5a - 8) + (2a² + 2a − 1) = 2a² + 7a - 9 - correct;

(6² +6b-4) (3b +6²) = 26² +36-4 - incorrect (correct is: 18b²+...36²);

(9c-4c²) - (2c² + c) = -6c² + 10c - incorrect (correct is: -6c² + 8c).