4x²+x-3 by completing the square
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Answer:
X=1/2 or x=-1/2
Step-by-step explanation:
L.t.= M.t.×M.t./4× F.t.
X×X/ 4×4x²
X²/16x²
1/16
4x²+x+1/16-1/16-3
(2x)²+2(2x)(1)+(1)²-1/16-4
(2x+1)²-1×(-64)/16
(2x+1)²-64/16
(2x+1)²-4
(2x+1)²=(4)²
2x+1=2
2x=2-1
2x=1
X=1/2 or x=-1/2
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