Question

factorise 6x^4-23x^2+20​

Answer 1

Answer:

6x^4-23x^2+20

6x^4-15x^2-8x^2+20

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

(3x^2-4)(2x^2-5).ans

Answer 2

Answer:

$6x^{4} -23x^{2} + 20\\=6x^{4} -8x^{2} -15x^{2} +20\\=2x^{2} (3x^{2} -4) -5(3x^{2} -4)\\=(2x^{2} -5)(3x^{2} -4)$