Question

Find the roots of the quadratic equation:

7x²-18x-9‌=0​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

7x²-18x-9 = 0.

7x²-21x-3x -9 = 0

7x(x - 3 )+3(x - 3 ) = 0

7x+3 = 0 , x - 3 = 0

[ x = -3/7] , {x = 3}

Step-by-step explanation:

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