could someone show me how to solve this? thanks so much!
.......x² + 3x + 14
......______________
x - 3)x³ + 0x² + 5x - 6
.......x³ - 3x²
.............3x² + 5x
.............3x² - 9x
....................14x - 6
....................14x - 42
..........................36
so, (x³ + 5x - 6)/(x - 3) = x² + 3x + 14 + 36/(x - 3)
i.e. x³ + 5x - 6 = (x - 3)(x² + 3x + 14) + 36
:)>
Hi,
I use synthetic division for this.
x - 3 = 0, so x = 3
. ___________
3)1 . 0 . 5 . -6
. ___3__9_ 42_
. 1 .3 .14 . 36
x² + 3x + 14 + 36/(x - 3) <==ANSWER
I hope that helps!! :-)
Synthetic Division as follows :-
3 I 1_____0_____5_____-6
_ I______ 3_____9_____42
_ I 1_____3_____14____36
x ² + 3x + 14 _____rem 36
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Verified answer
.......x² + 3x + 14
......______________
x - 3)x³ + 0x² + 5x - 6
.......x³ - 3x²
.............3x² + 5x
.............3x² - 9x
....................14x - 6
....................14x - 42
..........................36
so, (x³ + 5x - 6)/(x - 3) = x² + 3x + 14 + 36/(x - 3)
i.e. x³ + 5x - 6 = (x - 3)(x² + 3x + 14) + 36
:)>
Hi,
I use synthetic division for this.
x - 3 = 0, so x = 3
. ___________
3)1 . 0 . 5 . -6
. ___3__9_ 42_
. 1 .3 .14 . 36
x² + 3x + 14 + 36/(x - 3) <==ANSWER
I hope that helps!! :-)
Synthetic Division as follows :-
3 I 1_____0_____5_____-6
_ I______ 3_____9_____42
_ I 1_____3_____14____36
x ² + 3x + 14 _____rem 36