25-08-2021
Mathematics

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What is the value of (x – 3) if – 5(3x – 9) = -15?

Respuesta :

25-08-2021

(X-3)(-15x+45)=-15
-15x2 +45x+45x-135=-15
-15x2+90x=-15+135
-15x2+90x=120

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