SOLUCIONARIO Admisión UNP 2021 I Letras ÁLGEBRA

CORRECTION for the second problem: it says 4ab, but it should be -4ab, therefore the answer has a negative sign (-120). Finally, the correct answer is y + z less than 2x. Solutions to problems 27 through 30 of the 2021 UNP Admission Exam, Humanities Area, corresponding to Algebra. Topic Content: Exponent Theory Special Products Factoring Rationalization Inequalities Folder with some UNP admission exams: https://drive.google.com/drive/folder... Support the channel. SHARE, LIKE, AND COMMENT. Good luck!