Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

secondary 3 | A Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Cheryl
Cheryl

secondary 3 chevron_right A Maths chevron_right Singapore

can someone help me with this question, thank you!

Date Posted: 2 years ago
Views: 151
sstrike
Sstrike
2 years ago
(x+B)•(x+1)
= x² + (B+1)x + B

m = B+1

(Ax-1)•(x² + mx + B)
= Ax³ + Amx² + ABx
- x² - mx - B

x³ →
【A = 2】

x² → Am-1 = A(B+1)-1 = 2B+1 = -5
【B = -3】

x → AB-m = -6+2 = -4 ✔ ✔ ✔

C-B → C+3 = 8
【C = 5】

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
sstrike
Sstrike's answer
5364 answers (A Helpful Person)
1st