factorise xcube +13xsquare-32x+20 by hornors method​

Question

factorise xcube +13xsquare-32x+20 by hornors method​

in progress 0
Natalia 1 month 2021-08-13T06:32:01+00:00 1 Answer 0 views 0

Answers ( )

    0
    2021-08-13T06:33:33+00:00

    Step-by-step explanation:

    The value of x

    3

    +13x

    2

    +32x+20 is

    x

    3

    +x

    2

    +12x

    2

    +12x+20x+20

    =x

    2

    (x+1)+12x(x+1)+20(x+1)

    =(x−1)(x

    2

    +12x+20)

    =(x−1)(x

    2

    +10x+2x+20)

    =(x+1)[x(x+10)+2(x+10)]

    =(x+1)(x+2)(x+10)

Leave an answer

Browse
Browse

18:9+8+9*3-7:3-1*13 = ? ( )