ajkoo33 ajkoo33

20-03-2019
Mathematics

contestada

when 9x^2-100 is factored,it is equivalent to (3x-b)(3x+b). what is a value for b? With work.

Respuesta :

MrsStrong MrsStrong

28-03-2019

Answer:

b = 10

Step-by-step explanation:

The expression 9x² - 100 is a difference of squares. It factors into the form (3x -b)(3x+b). Here b is the square root of 100. The square root is 10.

The factors are (3x -10)(3x+10).

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