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2 years ago

Please help need it for a grade

Mathematics

2 answers:

bogdanovich [222]2 years ago

7 0

Answer:

6xy²+7-x²y²-5x²y+3x²y²=6x²+7+2x²y²-5x²y

jonny [76]2 years ago

6 0

Answer:

distribute the negative to the equation inside the parentheses. then put like terms together. you see there is x^2y^2 and 3x^2y^2 these are like terms. So 3-1 is 2. so then it will be 2x^2y^2. The other numbers don't have any like terms, so they stay the same

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Which of the following points lies in Quadrant II?

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Read 2 more answers

Simplify

denis23 [38]

Hello!

Answer:

1. =-6

2. =39

3. =-603

_________________________________________________

Explanation: This question's it's about the order of operations. It stands for p-parenthesis, e-exponents, m-multiply, d-divide, a-add, and s-subtract. It can also go left to right. (PEMDAS)

1. -4(3-1)+2

Do parenthesis first.

$(3-1)=2$

$-4*2+2$

Then do multiply left to right.

$-4*2=-8$

Add left to right.

$-8+2$

$8-2=6$

*Answer should be have negative sign.*

Answer: → $\boxed{=-6}$

______________________________________________________

2. 3⋅[(30−8)÷2+2]

Do parenthesis first.

$(30-8)=22$

$22/2+2$

Then divide left to right.

$22/2=11$

Add left to right.

$11+2=13$

Multiply left to right.

$3*13=39$

*Answer should be have positive sign.*

Answer: → $\boxed{=39}$

_____________________________________________________

3. 14(1-23)2+13

Do parenthesis first.

$(1-23)=-22$

$14(-22)*2+13$

Then, you multiply left to right.

$14(-22)=-308$

$-308*2=-616$

Add/subtract left to right.

$-616+13$

$616-13=603$

*The answer must be have a negative sign*

Answer: → $\boxed{=-603}$

____________________________________________________________

Hope this helps!

Thank you!

Have a great day!

-Charlie

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