Question

Somebody PLEASE help?
Determine the factors of x2 − 8x − 12.

Answer 1

@jiteshmeghwal9 : -6 * -2 should be equal to + 12.. right ??

Answer 2

oops sorry!!!!!!!!

Answer 3

@Rammsey: is the question correct ?? with signs ??

Answer 4

yeah! i also think that
either question has some mistake or the solution is no factors:/

Answer 5

factor = -b +- sq rt (b2 - 4ac)...

@jiteshmeghwal9 : You remember some formula like this ??

Answer 6

ya!

Answer 7

\[factor = -b +- \sqrt{(b ^{2} - 4ac)}...\]

Answer 8

\[\huge{\frac{-b \pm \sqrt{b^2-4ac}}{2a}}\]

Answer 9

u can find alpha & beta roots of the equation by quadratic formula
& then the factors would be
in the form as\[(x-\alpha)(x-\beta)=0.\]

Answer 10

so just solve
& u can reach ur answer 100%.

Answer 11

comparing it with ax2 + bx + c
x2 − 8x − 12.

a = 1, b = -8 , c = -12

So, \[8 +- \sqrt{(64 - 4(1) (-12))} / 2(1) = 8 +- \sqrt{(112)} = 8 +- 10.58\]

so the factors are:

(8 + 10.58) / 2 and (8 - 10.58)/2

18.58/2 and -2.58/2

so the factors are , 9.29 and -1.29...

Answer 12

yeah so the factors are
(x-9.29) & (x+1.29)
@Ganpat & @Rammsey :D

Answer 13

cool !!! thanks :) @jiteshmeghwal9

Answer 14

yw:)