5x(x) + (5x)(4) + (-2)(x) + (-2)(4)=
5x^2 + 20x - 2x - 8=
5x^2 + 18x -8
Answer:
11.6666666667
Step-by-step explanation:
First you multiply 7 by 5
7x5=35
Then you divide 35 by 3
35/3 = 11.6666666667
Answer:
18
Step-by-step explanation:
The gcf is 18
36 divided by 18 is 2
90 divided by 18 is 5
The simplified fraction is 2/5 btw
Answers
Step-by-step explanation:
change x to -3 since x= -3 so it will be
(3)(2) -3(-3) + 4
6+9+4= 19
Multiply:
64 squares 84 chess boards
---------------------- * ---------------------------- = 5376 squares
1 chess board 1