Question

Ques 8 Factorise : x²+ 13 x² + 320+20 by
long
division method.​

Answer 1

Answer:

27x^{2}+170

Step-by-step explanation:

x

2

+13x

2

+320+20

14x^{2}+340

14x

2

+340

27x^{2}+170

2\left(7x^{2}+170\right)

2(7x

2

+170)

note: ^ means the square......i.e.,7 square can be written as 7^2