9𝑥^2 − 3𝑥 − 20
We can further write it as
= 9𝑥^2 − 15𝑥 + 12𝑥 − 20
By taking out the common terms
= 3x (3x – 5) + 4 (3x – 5)
So we get,
= (3x + 4) (3x – 5)
Lido
Courses
Quick Links
Terms & Policies