Skip to content / Đến nội dung
ThichHocToan.com

TIMO - 2017 - Grade 9 - Heat Round - Paper 5 Question 7

TIMO · TIMO - 2017 - Grade 9 - Heat Round - Paper 5

Question 7

Given $a^2-a-3=0$, find $a^4-a^3-a^2-2a+6$.