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25 July, 12:05

Complete the factorisation of this expression by finding the values of the capitalised pronumerals.

12a+15b+9c=X (Aa+Bb+3c)

X=

A=

B=

+5
Answers (2)
  1. 25 July, 13:48
    0
    XA = 12

    XB = 15

    3X = 9

    *

    3X = 9

    X = 9/3

    X = 3

    *

    XA = 12

    3A = 12

    A = 12/3 = 4

    *

    XB = 15

    3B = 15

    B = 15/3 = 5
  2. 25 July, 14:06
    0
    X=3

    A=4

    B=5

    Step-by-step explanation:

    12a+15b+9c=

    3*4*a+3*5*b+3*3*c=

    3 (4a+5b+3c) then

    X=3

    A=4

    B=5
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