Respuesta:
15. – 2 · (3x – 9) = –6x+18.
9 · (6x – 5) = 54x–45.
x · (x – 2) = x2 –2x.
18. – 2x · (3x – 9) = 6x2 +18x.
9x2 · (6x – 5) = 54x3 –45x2
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Verified answer
Respuesta:
15. – 2 · (3x – 9) = –6x+18.
9 · (6x – 5) = 54x–45.
x · (x – 2) = x2 –2x.
18. – 2x · (3x – 9) = 6x2 +18x.
9x2 · (6x – 5) = 54x3 –45x2