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Verified answer
2x^2+5x-3=>(2x+6)(2x-1)
2x+6=0
2x=-6
x=-6/2=-3
=>2x-1=0
2x=1
x=1/2....
2x ² + 5x - 3 = 0
a= 2
b = 5
c = -3
D = b² - 4ac
D = 5² - 4(2)(-3)
D = 49
Luas = D√D/ (6.a²)
Luas = 49√49 / (6.2²)
Luas = 49(7) /(24)
Luas = 343/24