Question

find the value of X X2-3X-40=0​

Answer 1

x^2 - 3x - 40

= x^2 - 8x + 5x - 40

= x(x-5) - 5(x-8)

=(x-8)(x-5)

then x= 8 or x=5

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Answer 2

Answer:

answer for the given problem is given