Respuesta :

Here, GCF of 18 & 32 is 2, so take it as common factor, 
18b - 32 = 2(9b - 16)

In short, Your Answer would be: 2(9b - 16)

Hope this helps!
cjmauldin2
18b-32
/2  /2



-2(-9b+16)

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