anitag92
anitag92
28-02-2021
Mathematics
contestada
Multiply and combine like terms: (x-10)(x+9)
Respuesta :
LucaFontana
LucaFontana
28-02-2021
Answer:
x^2-x-90
Step-by-step explanation:
x*x+(-10*9)+x*9+x*(-10)=x^2+9x-10x-90=x^2-x-90
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