Math grade 11
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5 Terms
1
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Multiply Numerators together and vice versa
When a fraction multiplies with fraction
2
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Cross Multiply
When a fraction divides with another fraction
3
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difference of squares
25x^2-9
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√25=5x and √9=3
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(5x+3)(5x-3)
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only use when a-a or a-c
\
√25=5x and √9=3
\
(5x+3)(5x-3)
\
only use when a-a or a-c
4
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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
5
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x^2+x
factor by grouping