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Gr. 10 math

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Factor by Grouping.please show me the steps!!!!!!!

1.) y2+11y+30

2.) x2+4x-5

3.) a2-a-56

  • Gr. 10 math - ,

    what multiples to the last term, and add to the second?

    1) 6,5
    2) 5,-1
    3) -8,7 Notice when signs are different, you place the sign of the middle term on the larger

    So, on 3, for instance...the answer is..
    (x-8)(x+7)
    you do the others, I will check if you need it.

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