Mathematics
Senior High
Resolved

この問題の因数分解のやり方を教えてください

カ |(6)(x+1(x-2Xx+3Xx-4)+24=D" 424

Answers

Answers

(与式)=(x^2-x-2)(x^2-x-12)+24
ここで、x^2-x=Aとおくと、
(与式)=(A-2)(A-12)+24
=A^2-14A+24+24
=A^2-14A+48
=(A-6)(A-8)
=(x^2-x-6)(x^2-x-8)
=(x+2)(x-3)(x^2-x-8)…(答)

Post A Comment
Were you able to resolve your confusion?

Users viewing this question
are also looking at these questions 😉