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Jet001 [13]
3 years ago
9

X+y(x^2+y^2)-xy= Answer

Mathematics
1 answer:
disa [49]3 years ago
4 0

Answer:x^3+y^3+x^2 y+y^2 x-xy

Step-by-step explanation:

X+y(x^2 +y^2)- X y

Expand the bracket

X^3 +xy^2 +yx^2 -xy

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The lengths of two sides of a triangle are shown below:
oksano4ka [1.4K]

<u>Part A</u>

<u />3x^2 -2x-1+9x+2x^2 -3=\boxed{5x^2 + 7x-4}

<u>Part B</u>

<u />(5x^3 +4x^2 - x-3)-(5x^2 + 7x-4)=\boxed{5x^3 - x^2 - 8x+1}

<u>Part C</u>

No, because although they provide examples for specific polynomials being closed under addition and subtraction, there is a loss of generality.

6 0
2 years ago
Subtract and simplify if can. Show all work ! <br><br> 7/12 - 3/4 = ? <br><br><br> Show steps.
STatiana [176]

Answer:

=- 1/6

Step-by-step explanation:

=7/12 - 3/4

=7-9/12

=-2/12

=-1/6

8 0
3 years ago
HELP PLEASE !!!!!!! Pythagorean theorem
Phoenix [80]

Answer:

\large\boxed{x=8\sqrt3}

Step-by-step explanation:

The Pythagorean theorem:

leg^2+leg^2=hypotenuse^2

We have:

leg=8, leg=x,\ hypotenuse=16

Substitute:

8^2+x^2=16^2

64+x^2=256        <em>subtract 64 from both sides</em>

x^2=192\to x=\sqrt{192}\\\\x=\sqrt{(64)(3)}\\\\x=\sqrt{64}\cdot\sqrt3\\\\x=8\sqrt3

4 0
3 years ago
Rounding the fraction to o, 1/2 or 1
Hitman42 [59]
2/5 + 3/8 =  16/40 + 15/40 = 31/40

= 1 to nearest 1
8 0
3 years ago
Read 2 more answers
How is a common denominator and common multiple alike?
murzikaleks [220]
Well, they aren't necessarily the same thing, but you can use the least common multiple in order to find the least common denominator, which is crucial when solving problems dealing the addition and subtraction of fractions.
7 0
3 years ago
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