1)
•(x–3)^2–(2–5x)(x–3)
=(x^2–6x+9)–(-2x+6–5x^2–15x)
=6x^2-23x+15
•6x^2-23+15
•(x-3)(6x-5)
=6x^2-5x-18x+15
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
1)
•(x–3)^2–(2–5x)(x–3)
=(x^2–6x+9)–(-2x+6–5x^2–15x)
=6x^2-23x+15
•6x^2-23+15
•(x-3)(6x-5)
=6x^2-5x-18x+15
=6x^2-23x+15