Answer: 3x^+13x-56
Steps
1). Multiply the parentheses
(X+7)(3x-8)
=X x 3x -8x+7 x 3x -7 x 8
2). Multiply
3x^-8x + 21x - 56
3). Do like terms
3x^+13x - 56
4). Solution
[3x^+13x - 56]
-HOPE THAT HELPEDED <3
Answer: total length 5780
Step-by-step explanation:
1st wire. 340m
2nd wire. 1360m
3rd wire. 4080
x+5= 10
move +5 to the other side
sign changes from +5 to -5
x+5-5= 10-5
x= 10-5
x= 5
Answer:
x= 5
Answer:
B
Step-by-step explanation:
Answer:
5 months
Step-by-step explanation:
Given


Required [Missing from the question]
At what month will the cost be equal
To do this, we equate both expressions

This gives:

Collect like terms


Solve for m

