Question

Find the roots of the following quadratic equation by factorisation: x(x + 4) = 12

Answer 1

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Answer 2

Answer:

x = -6 or x = 2

Step-by-step explanation:

Given Quadratic equation ,

x( x + 4 ) = 12

=> x² + 4x - 12 = 0

Splitting the middle term, we get

=> x² + 6x - 2x - 12 = 0

=> x( x + 6 ) - 2( x + 6 ) = 0

=> ( x + 6 )( x - 2 ) = 0

Therefore ,

x + 6 = 0 or x - 2 = 0

x = -6 or x = 2

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