Kimjviz
Kimjviz
Math
Answered
what is the answer for 10x²-43x-9
Sagot :
Tresyangggviz
Tresyangggviz
10x²-43x-9=0
(2x-9) (5x+1)
2x-9=0
2x-9+9=9
2x=9
then 2x over 2 = 9/2 so x= 4.5
5x+1=0
5x+1-1= -1
5x= -1
then 5x over 5 = -1/5 so x = -1/5
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