tehtävä 59

59.
a) 743053 ja 207005 summa+tulo
b) $5x^3-6x^2+3x-7$ ja $2x^3-x^2+3$ summa+tulo

a) $743053$ <-summa
+ $207005$
--------------
$950058$

$743053$ <-tulo
x $207005$
--------------
$3715265$
$0000000X$
$0000000XX$
$5201371XXX$
$0000000XXXX$
$1486106XXXXX$
---------------------------
$153815686265$

b) $5x^3-6x^2+3x-7$ <-summa
+ $2x^3-x^2+0x+3$
------------------------------
$7x^3-7x^2+3x-4$

$5x^3-6x^2+3x-7$ <-tulo
x $2x^3-x^2+3$
----------------------------
$15x^3-18x^2+9x-21$
$-5x^5+6x^4-3x^3+7x^2$
$10x^6-12x^5+6x^4-14x^3$
----------------------------------------------------------------
$10x^6-17x^5+12x^4-2x^3-11x^2+9x-21$