paarthjindalfn paarthjindalfn

12-03-2020
Mathematics

contestada

Complete the factorisation of this expression by finding the values of the capitalised pronumerals.
12a+15b+9c=X(Aa+Bb+3c)
X=
A=
B=

Respuesta :

miljanamilovanovic12 miljanamilovanovic12

12-03-2020

Answer:

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

Answer Link

12-03-2020

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

Answer Link

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