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Thepotemich [5.8K]
4 years ago
7

Find the product mentally. [(x + 1)(x - 1)]2

Mathematics
2 answers:
Troyanec [42]4 years ago
7 0
(x+1)(x−1)(2) =2x^2−2
VARVARA [1.3K]4 years ago
6 0
[(x+1)(x-1)]2 = (x*x + -x + x + -1)2 = (x^2 - 1)2. This should be the simplest form.

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A game store charges a monthly membership fee of $7.50, but then the charge to rent a game is only $1.00. Another store has no m
Eduardwww [97]

Answer:

6 games.

Step-by-step explanation:

Given that,

Monthly membership fee of store 1 is $7.5, but then the charge to rent a game is only $1.00

Another store has no membership fee, but that store charges $2.00 to rent a game.

Let there be n games needed to be rented each month for the total fees to be the same from either store.

Cost of first store = $7.50+$1.00n

Cost of another store = $2.00

If cost equals,

$7.50+$1.00n=$2

n=5.5 \approx 6

Hence, 6 games needed to be rented each month.

6 0
3 years ago
Every year Ethan earns $38428each year he spends $ 21728 on exspenses how much she he have left over
astraxan [27]

Answer:

$16,700

Step-by-step explanation:

Subtract: 38428

               <u>-21728</u>

                16700

You will need to add 10 to the hundred's place by subtracting 1 from the thousandth's place: 37,4(+10)28.  Then you subtract as usual.

8 0
3 years ago
What affect does h = -2 have on the parent function y=1/x Graph moves 2 units up Vertical stretch by a factor of |-2| Graph move
Marat540 [252]
Y = 1/(x - -2)
y = 1/(x + 2)
I moves the graph 2 units to the left
3 0
3 years ago
14 - ( 9t - 2 ) &lt; - t + 30 Anyone know multistep equations
ZanzabumX [31]

Answer:

t > -7/4

Step-by-step explanation:

Step 1: Write out inequality

14 - (9t - 2) < -t + 30

Step 2: Distribute

14 - 9t + 2 < -t + 30

Step 3: Combine like terms

-9t + 16 < -t + 30

Step 4: Add 9t to both sides

16 < 8t + 30

Step 5: Subtract 30 on both sides

-14 < 8t

Step 6: Divide both sides by 8

-7/4 < t

Step 7: Rewrite

t > -7/4

3 0
3 years ago
How can i do 3×3×11 6 grade
allsm [11]
You can start by doing 3×3 which is 9 than get the 9 and multiply it by 11 which would be 99
5 0
3 years ago
Read 2 more answers
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