Question

) The numerical difference of the roots of x^2 - 7 x - 10 is

Answer 1

Answer:

${x}^{2} - 7x + 10 = {x}^{2} - 5x - 2x + 10 \\ = x(x - 5) - 2(x - 5) \\ = (x - 2)(x - 5)$

therefore,

numerical difference(d) between this two roots is

d=|(x-2)-(x-5)|

=|3|

=3

Answer 2

Step-by-step explanation:

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