Answer:
Step-by-step explanation:
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Apply the distributive property
x(x−7)−9(x−7)x(x-7)-9(x-7)
Apply the distributive property.
x⋅x+x⋅−7−9(x−7)x⋅x+x⋅-7-9(x-7)
x⋅x+x⋅−7−9x−9⋅−7
