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2xy

substitute 3 for y and 5 for x

2(5)(3)

= 30

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Nouf Jamal

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1y ago

X(3-2xy) , x=2 , y=1

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Q: 2xy x equals 5 y equals 3?
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How do you evaluate 2xy times 9 if x equals 3 and y equals 2?

2xy*9 if x=3 and y = 2 2(3)(2)*9 12*9 108 You substitute x and y for their equivalent (3 and 2) then simply multiply 2*x*y, then multiply the answer of that by 9.


(x2 + 2y) (x3 - 2xy + y3)?

(x^2 + 2y)(x^3 - 2xy + y^3) = x^2(x^3 - 2xy + y^3) + 2y(x^3 - 2xy + y^3) Now, let's distribute each term: = x^2 * x^3 - x^2 * 2xy + x^2 * y^3 + 2y * x^3 - 2y * 2xy + 2y * y^3 Now, simplify each term: = x^5 - 2x^3y + x^2y^3 + 2x^3y - 4xy^2 + 2y^4 Now, combine like terms: = x^5 + x^2y^3 - 4xy^2 + 2y^4 So, the expanded form of (x^2 + 2y)(x^3 - 2xy + y^3) is x^5 + x^2y^3 - 4xy^2 + 2y^4.


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How do you solve 2xy plus 6 equals 4xyz for y?

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Solve simultaneously y equals 2-x and x2 plus 2xy equals 3?

if y = 2- x then x^2 + 2x(2 - x) = 3 ie x^2 + 4 x -2x^2 = 3 ie 4x - 3 = x^2 x^2 - 4x +3 = 0 = (x - 1)(x - 3) so x = 1 or 3 Check: y= 2 - 1 =1; x^2 = 1, 2xy = 2 x 1 x 1 = 2, 1 +2 = 3. y = 2 - 3 = -1; x^2 = 9, 2xy = 2 x 3 x -1 = -6, 9 + -6 = 3. QED.


When x-y equals 7 and xy equals 8 find the value of x square plus y square?

x2 + y2 = x2 - 2xy + y2 + 2xy = (x - y)2 + 2xy = 72 + 2*8 = 49 + 16 = 65 You could, instead, solve the two equations for x and y and substitute, but the above method is simpler.


If Y' equals 2xy plus x to power 3 what is y equal to?

Assuming y' is dy/dx, y = x^4/4 + yx^2


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(x + 4y)(x - 6y)


What is x-8 equals -3?

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x + 5 = 3 x = -2


What is 3 times x equals 5?

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