Math grade 11

Multiply Numerators together and vice versa

Multiply Numerators together and vice versa

When a fraction multiplies with fraction

Cross Multiply

When a fraction divides with another fraction

difference of squares

25x^2-9

√25=5x and √9=3

(5x+3)(5x-3)

only use when a-a or a-c

perfect square

1. Square root a

2. Take the sign of b

3. square root c

4. enclose in the bracket and add the power of 2

x^2+x

factor by grouping