Answer:
Step-by-step explanation:
Expand brackets.
Apply radical rule : 
The two-digit positive integers that tens and ones digits are consecutive numbers include 12, 23, 34, 45, 56, 67, 78, and 89.
<h3>What are integers?</h3>
It should be noted that integers are the whole numbers that can be either positive, negative, or zero.
The two-digit positive integers that the integer is the product of two consecutive numbers will be:
3 × 4 = 12
7 × 8 = 56
Learn more about integers on:
brainly.com/question/17695139
#SPJ1
The length is 8 and the width is 4
P = L + L + W + W
P = 8 + 8 + 4 + 4
P = 16 + 4 + 4
P = 16 + 8
P = 24
3x+x=y
3(-3)+(-3)=y
-9-3=y
-12=y
Therefore the value of x3+x is -12
