Question 69896
USUALLY THE CORRECT WAY IS TO REDUCE THE EXPRESSION TO ITS SIMPLIEST FORM


P=a+b+c
a=3x+7
b=4x-9
c=5x+6

P=3x+7+4x-9+5x+6  collect like terms

P=12x+4
P=4(3x+1)

Either of the above expressions should be acceptable

Hope this helps---ptaylor