3x²+6x-105=0
plz help me
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Answer:
3x²+6x-105=0
3x²+21x-15x-105=0
3x(x+7)-15(x+7)=0
(3x-15)(x+7)=0
3x-15=0 , x+7 =0
x= 15/3 ,x=-7
x =5
Answered by
1
x-5 =0. x+7 =0
x = 5. x = -7
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