Answer:
25x^2 -1
Step-by-step explanation:
If you multiply parentheses:
(5x*5x) + (5x*-1) + (1*5x) + (1*-1)
25x^2 - 5x + 5x -1
25x^2 -1
A simpler way is to memorize this formula
(Square1 - square2)= (sqrt of square1- sqrt of square2)*(sqrt of square1 + sqrt of sqaure2)
Answer:
6.59 and 3.41
Step-by-step explanation:
To evaluate, substitute n for each of the given values.
So when n= 3:
0.53n + 5 = 1.59 + 5 = 6.59
And when n = -3
0.53 n + 5 = -1.59+5=3.41
Hope this helps
Answer:
0.0227014756
Step-by-step explanation:
or if you meant 312.775/7.1 it's 44.0528169
Answer: 4x+36
Step-by-step explanation:
1- 4 times x=4x
2- 4 times 9=36
3- so it is 4x+36
To find the quotient you do 6/ (-1/2). You keep, change, flip when dealing with fractions.
