The exponent 2 outside the brackets is distributed on 3 as well. 3 exponent 2 gives 9, not 6. answer would be 9x^4y^8
5 times 3 is 15 and 2 times 4 is 8, so:
15-8
= 7
Divide you cost by the weight and than you should have your answer
Answer:
0
Step-by-step explanation:
7 + 2 = 0
9 + x = 9
x has to be 0