contestada

consider the expression x^2-b. What has to be true about the values of b for this expression to be factorable?

Respuesta :

Gasaqui

Answer:

b must be greater than zero.

Step-by-step explanation:

If "b" is negative then our equation will not have real solutions. The expression x^2-b can be factorable only if b>0, and the factorized form will be: (x+b)(x-b)=0

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