Jawaban:
5 ( x - 3 )
D. ------------------
4 ( x + 3 )
Penjelasan dengan langkah-langkah:
= 5 ( x + 3 ) - 10
-----------------------
x + 3
4 ( x - 3 ) + 16
x - 3
= 5x + 15 - 10
4x - 12 + 16
= 5x + 5
--------------
4x + 4
= ( 5x + 5 ) . ( x - 3 )
----------------------------
( 4x + 4 ) . ( x + 3 )
= 5 ( x + 1 ) . ( x - 3 )
4 ( x + 1 ) . ( x + 3 )
= 5 ( x - 3 )
------------------
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Jawaban:
5 ( x - 3 )
D. ------------------
4 ( x + 3 )
Penjelasan dengan langkah-langkah:
= 5 ( x + 3 ) - 10
-----------------------
x + 3
-----------------------
4 ( x - 3 ) + 16
-----------------------
x - 3
= 5x + 15 - 10
-----------------------
x + 3
-----------------------
4x - 12 + 16
-----------------------
x - 3
= 5x + 5
--------------
x + 3
--------------
4x + 4
--------------
x - 3
= ( 5x + 5 ) . ( x - 3 )
----------------------------
( 4x + 4 ) . ( x + 3 )
= 5 ( x + 1 ) . ( x - 3 )
----------------------------
4 ( x + 1 ) . ( x + 3 )
= 5 ( x - 3 )
------------------
4 ( x + 3 )