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andreyandreev [35.5K]
2 years ago
13

Explain the diffrent between (-5)^2 and -5^2

Mathematics
2 answers:
goldfiish [28.3K]2 years ago
7 0

Answer:

Step-by-step explanation:

The difference would be that for (-5)^2 you would have to do anything that was in the parenthesis first and then square it up, but for -5^2 you would just square it up immediately. In this specific case both outcomes would be the same result and the answer would be 25 since a negative times a negative is a positive. It would be the same because there is nothing in the parenthesis.

icang [17]2 years ago
5 0
The difference is that with the parentheses the negative sign is removed but the one without the parentheses will stay negative.

The reason for this is because -5^2 without the parentheses is the same as 0-5^2 which is -25

But with the parentheses the actual number is negative because (0-5)^2 is the same as (-5)^2 and a negative square is a positive

Brainliest my answer if it helps you out?
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Can you guys help me solve this equation with step-by-step help, please...
Alex

Step-by-step explanation:

-2x - 5y = 16___(1)

2x - 3y = -16___(2)

(1) + (2) ==> -2x -5y = 16

(+) <u>2x -3y = -16</u>

-8y = 0

y = 0/-8

y = 0

y=0 in (1)

(1)---> -2x-5y =16

-2x - 5(0) = 16

-2x - 0 = 16

-2x = 16

x = 16/-2

x = -8

x = -8 , y = 0

-5x + 2y = 11__(1) ; -3x + 4y = -13___(2)

multiply eqn(1) with 2

2 × (1) : -10x + 4y = 22___(3)

(3) - (2) :. -10x + 4y = 22

(-) <u>-3x </u><u>+</u><u> </u><u>4</u><u>y</u><u> </u><u>=</u><u> </u><u>-</u><u>1</u><u>3</u>

-7x = 35

x = 35/-7

x = -5

x=-5 in (1)

(1) : -5x + 2y = 11

-5(-5) + 2y = 11

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2y = 11 - 25

2y = -14

y = -14/2

y = -7

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4 0
2 years ago
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Answer:

4^x - 2^(x+1) = 48

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Step-by-step explanation:

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3 years ago
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Answer:

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Step-by-step explanation:

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