5 x 3 + 3 x2 + 5 - 7 x 3 - 9 x 2 + 8 x -5

NEGATEVE 10

Step-by-step explanation:

5 times 3 eaquals 15 , 3 times 2 eaquals 6 ,5 minus 7 eqauls negative 2 , negitive 2 times 3 so now you have neg 6, neg 6 minus nine, neg 15, neg 15 times 2 neg 135 ,  times 2 eqals neg 275 plus 8 times 5 40 , then subtract 40 from neg 275 then you get 300 then your gonna add 40 now yove got to add 100 to 275 now youve got 125 so youre gonna add then youre gonna kepp adding 80 4 times and boom negitive 10 please put brainltyest it took me awhile to do

a is 8.b is 10.c is 10.5. d is -.5

step-by-step explanation:

just minus the smallest number from the biggest.