50 POINTS
please answer this 2 question fast
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check the attachment
hope it helps
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hey mate
here is the answer...
Answer:
24-
|x²+x+1|+|2x-3|=4x
=>|x²+3x-2|=4x
=>|x²-x-2|=0
=>|x²-2x+x-2|=0
=>|x(x-2)+1(x-2)|=0
=>|(x+1)(x-2)|=0
thus,
|(x-2)|=0 and |(x+1)|=0
hence,
x=2 and -1.
25-
|2^x-1|+|2^x+1|=2
=>|2*2^x-1+1|=2
=>|2^(x+1)|=2
=>2^(x+1)=2¹
=>(x+1)=1
=>x+1=1
=>x=0
thus,
x=0
here is the answer...
Answer:
24-
|x²+x+1|+|2x-3|=4x
=>|x²+3x-2|=4x
=>|x²-x-2|=0
=>|x²-2x+x-2|=0
=>|x(x-2)+1(x-2)|=0
=>|(x+1)(x-2)|=0
thus,
|(x-2)|=0 and |(x+1)|=0
hence,
x=2 and -1.
25-
|2^x-1|+|2^x+1|=2
=>|2*2^x-1+1|=2
=>|2^(x+1)|=2
=>2^(x+1)=2¹
=>(x+1)=1
=>x+1=1
=>x=0
thus,
x=0
Anonymous:
welcome
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