You can
put this solution on YOUR website!3x^2 - 7x+ 2/x^2+ 6x -16 * x+8/4x-8
You should have typed
(3x^2- 7x+ 2)/x^2+ 6x -16) * (x+8)/(4x-8)
because without those parentheses only the
two terms next to the " / " are indicated as
divided. To type a fraction all on one line
you must use parentheses around both numerators
and denominators. Parentheses aren't necessary
when you type them on two lines
like this, though:
3x²-7x+2 x+8
---------- · ------
x²+6x-16 4x-8
Factor every numerator and denominator that
can be factored
(3x-1)(x-2) x+8
------------ · --------
(x+8)(x-2) 4(x-2)
Indicate the multiplication of all the
factors in the numerators as well as
in the denominator. You must enclose
the x+8 in paretheses:
(3x-1)(x-2)(x+8)
-----------------
(x+8)(x-2)4(x-2)
Cancel one of the (x-2)'s in the bottom into
the (x-2) in the top and cancel the (x+8)'s.
1 1
(3x-1)(x-2)(x+8)
-----------------
(x+8)(x-2)4(x-2)
1 1
(3x-1)
------
4(x-2)
Take the parentheses off the top, since
they aren't necessary when typed on
two lines:
3x-1
------
4(x-2)
And if you like you can distribute on the
bottom to remove the parentheses there,
but it isn't required:
3x-1
------
4x-8
Edwin
You can
put this solution on YOUR website!multiply 3x^2- 7x+ 2/x^2+ 6x -16 * x+8/4x-8
ans:
(3x^2-7x+2) = 3x^2-6x-x+2=3x(x-2)-1(x-2)=(3x-1)(x-2)
and (x^2+6x-16)=x^2+8x-2x-16=x(x+8)-2(x+8)=(x-2)(x+8)
hence ((3x^2-7x+2)/(x^2+6x-16))*(x+8)/(4x-8)
or ((3x-1)(x-2))/((x-2)(x+8))*((x+8)/(4x-8))
or ((3x-1)/(x+8))*((x+8)/(4x-8))
or (3x-1)/(4x-8)=(3x-1)/4(x-2)