Question

factories the following
15x⁴ + 3x²- 18 ​

Answer 1

Answer:

3(5x^2+6)(x+1)(x-1)

Step-by-step explanation:

15x^4+3x^2-18

3(5x^4+x^2-6)

3(5x^4+6x^2-5x^2-6)

3(x^2(5x^2+6)-1(5x^2+6)

3((5x^2+6)(x^2-1))

3(5x^2+6)(x-1)(x+1)