Question

factorise 6xsquare-31x+40=0​

Answer 1

Step-by-step explanation:

6x2-31x+40=0

6x2-(15x+16x)+40=0

6x2-15x-16x+40=0

3x(2x-5)-8(2x- 5)=0

(2x-5) (3x-8)=0

either 2x-5=0

x=5/2

or 3x-8=0

x=8/3