Question

11. Find root of quadratic equation:
x2-3x-4=0
O-1
O 1
OO​

Answer 1

Answer:

${x}^{2} - 3x - 4 \\ {x}^{2} - 4x + 1x - 4 \\ x(x - 4)1(x - 4) \\ (x + 1)(x - 4) \\ x = - 1 \\ x = 4$

Therefore, the roots are -1 , 4.

Step-by-step explanation:

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