Nere8zfTon5duaroykay Nere8zfTon5duaroykay

13-03-2017
Mathematics

contestada

Which values for a and b make the statement (a + 2)(b - 9) = 0 true?

a = 2, b = -9

a = -2, b = 9

a = -2, b = -9

a = 2, y = 9

Respuesta :

rarrininger rarrininger

14-03-2017

(a + 2)(b - 9) = 0

a + 2 =0 b - 9 = 0
-2 = -2 +9 = +9
a = -2 b = 9

So the second option

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