Question

Decide which of the following are quadratic equations.
(1) x2 + 5x – 2 = 0
(2) y2 = 5y – 10
(3) y2+1y=2
(4) x+1x=-2
(5) (m + 2) (m – 5) = 0
(6) m3 + 3m2 – 2 = 3m

solve the problem ​

Answer 1

Answer:

(1)x²+5x-2 = 0 (2)y²=5y-10 (3) y²+1/y=2 (4)x+1/x =-2 (5)(m+2)(m-5)=0 ... (4)x+ 1/x =-2 (5)(m+2)(m-5)=0 (6)m³+3m²-2=3m³. 2

Answer 2

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