Question

find x answer please

Answer 1

4x²-8x+2=0
a=4,b= -8 and c=2
D=b²-4ac
putting values
(-8)²-4(4)(2)
64-32
D=32
so, x= -b±√D/2a
x= -(-8)±√32/2×4
x=8±4√2/2
(+)
x=8+4√2/8
x=4(2+√2)/8
x=2+√2/2
(-)
x=8-4√2/8
x=4(2-√2)/8
x=2-√2/2
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