Let's simplify step-by-step. −3(4x−5y+6)+8x−9
Distribute:= (−3)(4x)+(−3)(−5y)+(−3)(6)+8x+−9= −12x+15y+−18+8x+−9
Combine Like Terms:= −12x+15y+−18+8x+−9= (−12x+8x)+(15y)+(−18+−9)= −4x+15y+−27
Answer = −4x+15y−27
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