natcat104 natcat104

19-04-2020
Mathematics

contestada

(x - 9)(x +2)=
help me please T3T

Respuesta :

sqdancefan sqdancefan

19-04-2020

Answer:

x^2 -7x -18

Step-by-step explanation:

Use the distributive property:

(x -9)(x +2) = x(x +2) -9(x +2)

= x^2 +2x -9x -18

= x^2 -7x -18 . . . . . . collect terms

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