Friday, 11 September 2015

#HOMEWORK HELP Factorisation of rationals

#HOMEWORK HELP contact me 

Factorise the denominator of first term & simplify:

(10x+15)/(2x^2+3x-2) -8/(2x-1)

=(10x+15)/(2x-1)(x+2)  -8/(2x-1)

=(10x+15-(x+2)8)/(2x-1)(x+2) 

=(10x+15-8x-16)/(2x-1)(x+2)

=(2x-1)/(2x-1)(x+2) 

=1/(x+2)