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bazaltina [42]
3 years ago
15

What is 3x+2x(x-1)=9x+4

Mathematics
1 answer:
Korvikt [17]3 years ago
5 0
3x+2(x-1)=9x=4
We move all terms to the left:
3x+2(x-1)-(9x)=0
We add all the numbers together, and all the variables
-6x+2(x-1)=0
We multiply parentheses
-6x+2x-2=0
We add all the numbers together, and all the variables
-4x-2=0
We move all terms containing x to the left, all other terms to the right
-4x=2
x=2/-4
x=-1/2
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