If x(2x+1)=0 and (x+1/2)(2x-3)=0 then x=
A) -3
B) -1/2
C) 0
D) 1/2
E) 3/2
Answer is 0 or -1/2?
As a linear equation x(2x+1) can give both 0 and -1/2 right?
OG 11 #98
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From x(2x + 1) = 0, we have either x = 0 or x = -1/2singalong wrote:If x(2x+1)=0 and (x+1/2)(2x-3)=0 then x=
For, x = 0, (x + 1/2)(2x - 3) = -3/2 ---> Doesn't satisfy equation 2
for x = -1/2, (x + 1/2)(2x - 3) = 0 ---> Satisfies equation 2
Hence, x = -1/2
The correct answer is B
x(2x + 1) = 0 is not a linear equation, it's a quadratic equation.As a linear equation x(2x+1) can give both 0 and -1/2 right?
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