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x (5 + 3 y) - y (2 x - 5 y)

Évaluer

x y + 5 x + 5 y^{2}

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Développer

x y + 5 x + 5 y^{2}

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Quiz

x (5 + 3 y) - y (2 x - 5 y)

Vidéos

Algebra Basics: Solving 2-Step Equations - Math Antics

Algebra Basics: Solving Basic Equations Part 2 - Math Antics

Solving Systems of Equations By Elimination & Substitution With 2 Variables

Problèmes similaires dans la recherche Web

2 x - 5 y = 8; 5 y = - 2 x

https://www.tiger-algebra.com/drill/2x-5y=8;5y=-2x/

2x-5y=8;5y=-2x Solution : {x,y} = {2,-4/5} System of Linear Equations entered : [1] 2x-5y=8 [2] 5y=-2x Equations Simplified or Rearranged : [1] 2x - 5y = 8 [2] 2x + 5y = 0 Graphic Representation ...

2 x - 5 y = 3; x - 3 y

https://www.tiger-algebra.com/drill/2x-5y=3;x-3y/

2x-5y=3;x-3y Solution : {x,y} = {9,3} System of Linear Equations entered : [1] 2x - 5y = 3 [2] x - 3y = 0 Graphic Representation of the Equations : -5y + 2x = 3 -3y + x = 0 Solve by Substitution : ...

How do you solve using gaussian elimination or gauss-jordan elimination,

- 2 x - 5 y + 5 z = 4

- 3 x - y - z = 10

5 x + 3 y - z = 10

https://socratic.org/questions/how-do-you-solve-using-gaussian-elimination-or-gauss-jordan-elimination-2x-5y-5z

P = [(43,-46,-28)]

⎝ ⎛ - 2 - 3 5 - 5 - 1 3 5 - 1 - 1 41010 ⎠ ⎞

R_{1} = R_{1} \times 5

How do you solve the following system using Cramer's rule

2 x - y = 3, 4 x - 3 y = 5

https://socratic.org/questions/how-do-you-solve-the-following-system-using-cramer-s-rule-2x-y-3-4x-3y-5

P = {(2, 1)}

A = (24 - 1 - 3 35)

D = det A = ∣ ∣ ∣ ∣ ∣ 24 - 1 - 3 ∣ ∣ ∣ ∣ ∣ = 2 \times (- 3) - (- 1) \times 4 = - 6 + 4 = - 2

How do you solve the system

y = 2 x - 5 and 4 x - y = 7

https://socratic.org/questions/how-do-you-solve-the-system-y-2x-5-and-4x-y-7

x = 1

y = - 3

Explanation: Given -

y = 2 x - 5

-------------------(1)

4 x - y = 7

How do you solve the system

- 4 x - 5 y - z = 18

- 2 x - 5 y - 2 z = 12

- 2 x + 5 y + 2 z = 4

https://socratic.org/questions/how-do-you-solve-the-system-4x-5y-z-18-2x-5y-2z-12-and-2x-5y-2z-4

{x = - 4, y = 0, z = - 2}

- 4 x - 5 y - z = 18, (1)

- 2 x - 5 y - 2 z = 12, (2)

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5x+3xy-y\left(2x-5y\right)

Utiliser la distributivité pour multiplier x par 5+3y.

5x+3xy-\left(2yx-5y^{2}\right)

Utiliser la distributivité pour multiplier y par 2x-5y.

5x+3xy-2yx-\left(-5y^{2}\right)

Pour trouver l’opposé de 2yx-5y^{2}, recherchez l’opposé de chaque terme.

5x+3xy-2yx+5y^{2}

L’inverse de -5y^{2} est 5y^{2}.

5x+xy+5y^{2}

Combiner 3xy et -2yx pour obtenir xy.

5x+3xy-y\left(2x-5y\right)

Utiliser la distributivité pour multiplier x par 5+3y.

5x+3xy-\left(2yx-5y^{2}\right)

Utiliser la distributivité pour multiplier y par 2x-5y.

5x+3xy-2yx-\left(-5y^{2}\right)

Pour trouver l’opposé de 2yx-5y^{2}, recherchez l’opposé de chaque terme.

5x+3xy-2yx+5y^{2}

L’inverse de -5y^{2} est 5y^{2}.

5x+xy+5y^{2}

Combiner 3xy et -2yx pour obtenir xy.

Exemples

Équation du second degré

x^{2} - 4 x - 5 = 0

4 sin θ cos θ = 2 sin θ

Équation linéaire

y = 3 x + 4

699 * 533

[2534] [2 - 1 0135]

Équation simultanée

{8 x + 2 y = 46 7 x + 3 y = 47

Différenciation

\frac{d}{d x} \frac{( 3 x ^{2} - 2 )}{( x - 5 )}

\int_{0}^{1} x e^{- x^{2}} d x

x \to - 3 lim \frac{x ^{2} - 9}{x ^{2} + 2 x - 3}