Question

6x⁴+5x²-6 factorise ​

Answer 1

Answer:

Consider x

4

+5x

3

+5x

2

−5x−6

Let us rewrite as

x

4

−x

3

+6x

3

−6x

2

+11x

2

−11x+6x−6

x

3

(x−1)+6x

2

(x−1)+11x(x−1)+6(x−1)

(x−1)(x

3

+6x

2

+11x+6)

(x+1)(x

3

+2x

2

+4x

2

+8x+3x+6)

(x−1)(x

2

(x+2)+4x(x+2)+3(x+2))

(x−1)(x+2)(x

2

+4x+3)

(x−1)(x+2)(x+1)(x+3)

(X

2

−1)(x+2)(x+3)

Answer 2

ANSWER

In the attachment