Question

decide whether x is equal to is a solution of x square + 4 x minus 12 is equal to zero​

Answer 1

Answer:

x = 2 , -6

Step-by-step explanation:

x² + 4x - 12 = 0

⇒x² + 6x - 2x - 12 = 0

⇒ x (x+6) - 2 (x+6) = 0

⇒ (x-2) (x+6) =0

∴ x = 2 , -6

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Answer 2

Answer:

Step-by-step explanation:

x²+4 x - 12=0

solving,                            

∴ x= 2, -6