Question

factor by grouping - (please really need help)

6x^2-7xy-3y^2

Answer 1

multiply first and last coefficients:
6 * -3 = -18
now you need 2 numbers with product -18 and sum -7
can you find them?

Answer 2

hers a list of possibilities

6 * -3
-6 * +3
-9 * +2
9 * -2
18 *-1
-18 * +1

can you spot the correct one?

Answer 3

remember you require -7

Answer 4

can you multiply the last two coefficients ? they are 6x^2 and 3y^2

Answer 5

the coefficients are the numbers that is 6 and -3 ( dont forget the signs)