Find the discriminant (x+5)^2=2(5x-3)
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Answer:
Discreminant (D)=-124
Explanation:
(x+5)² = 2(5x-3)
=> x²+2*x*5+5²=10x-6
=> x²+10x+25-10x+6=0
=> x²+31=0
Compare x²+0+31=0 with
ax²+bx+c=0, we get
a=1 , b = 0 , c = 31
discreminant (D)=b²-4ac
= 0² - 4×1×31
= -124
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Negative root so the polynomial have no roots
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