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Multiply and combine like terms: (x-10)(x+9)
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Multiply and combine like terms: (x-10)(x+9)

User Sanju
by
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1 Answer

11 votes

Answer:

x^2-x-90

Explanation:

x*x+(-10*9)+x*9+x*(-10)=x^2+9x-10x-90=x^2-x-90

User Tiago Peixoto
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