Factorise the following polynomials:
x(x-1)(2x+3)(2x-1)-4
Answers
Answered by
1
Answer:
x(x-1)(2x+3)(2x-1)-4
= (x²-x)(2x+3)(2x-1)-4
= ( 2x³+ 3x² -2x²- 3x)(2x-1) -4 = (2x³+ x² -3x)(2x-1) -4
= 4x^4 - 2x³ + 2x³- x² -6x² + 3x - 4 = 4x^4 - 7x²+ 3x - 4
= 4 (x^4-1) + x (3-7x)
Similar questions