Question

$x { }^{2} - x - 90 = 0$
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Answer 1

Step-by-step explanation:

x^2 - x -90 = 0

-b +/- √ b^2-4ac/2a

1 + √ 1+360/2 or 1- √ 1+ 360/2

1+19/2 or 1-19/2

20/2. or -18/2

10 or -9

So 10 &(-9) are the roots of given equation!

Answer 2

Answer:

Here your Answer mate

Step-by-step explanation:

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