Question

find the roots of the following quadratic equations by using factorisation method x2-3x-4=0​

Answer 1

sorry, but your question is wrong please make clear that your question is right

Answer 2

Answer:

x = 4 OR - 1

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Step-by-step explanation:

x² - 3x - 4 = 0

product= - 4 : 1× - 4

sum = - 3 : 1+ ( - 4 )

x² + x - 4x - 4 = 0

x (x + 1) - 4 (x + 1) =0

(x - 4) (x + 1) = 0

x - 4 = 0

x = 4

OR

x + 1 = 0

x = -1