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2 years ago

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How are algebraic expressions used to represent and solve problem

1 answer:

spin [16.1K]2 years ago

8 0

The purpose of solving an algebraic expression in an equation is to find the unknown variable. When two expressions are equated, they form an equation and therefore, it becomes easier to solve for the unknown terms. To solve an equation, place the variables on one side and the constants on the other side.

Sure hope this helps

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Factoring by grouping<br><br> x^2 + 4y + 2x + 2xy<br> pls explain with work too!!!

Gennadij [26K]

${x}^{2} + 4y + 2x + 2xy$

We can factorise this expression by grouping. First let us arrange it in this way

$= {x}^{2} + 2xy + 2x + 4y$

Let us bracket them like this:

$= ( {x}^{2} + 2xy) + (2x+ 4y)$

In the first bracket portion, take x as common and in the second expression, take 2 as common.

$= x(x + 2y) + 2(x + 2y) \\ = (x + 2)(x + 2y)$

<u>Answer</u><u>:</u>

$(x + 2)(x + 2y)$

Hope you could understand.

If you have any query, feel free to ask.

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3 years ago

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