Question

solve the following quadratic equation by formula method (x²-3x=2)​

Answer 1

Step-by-step explanation:

Given x2−3x+2=0

x2−2x−1x+2=0 (Resolving the expression)

x(x−2)−1(x−2)=0 (Taking common factors)

(x−2)(x−1)=0 (Taking common factors)

∴x−2=0 or x−1=0   (Equating each factor to zero)

∴x=2 or x=1

∴2 and 1 are the roots of x2−3x+2=0

Answer 2

Answer:

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Step-by-step explanation:

Given x

2

−3x+2=0

x

2

−2x−1x+2=0 (Resolving the expression)

x(x−2)−1(x−2)=0 (Taking common factors)

(x−2)(x−1)=0 (Taking common factors)

∴x−2=0 or x−1=0 (Equating each factor to zero)

∴x=2 or x=1

∴2 and 1 are the roots of x

2

−3x+2=0

Answered By chandrima

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