Question

Factor: 28xy+21x-8y-6

Answer 1

(7x -2) (4y +3)

Answer 2

factors of 28 = 4 and 7, 2 and 14, 1 and 28
factors of 6 = 1and 6, 2 and 3

Answer 3

21x means factors must be 7x and 3 (as its positive)
-8y means factors must be -2 and 4y (as it's negative)

Answer 4

ok thanks...this will help a lot

Answer 5

all good dude, have a quick squiz at this, it may help a little if u get time
http://www.mathsisfun.com/algebra/factoring-quadratics.html

Answer 6

will do thanks