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algol [13]
3 years ago
15

Expand, and simplify the following expressions a. (2x+y)(x+y) + (2x-y)(x+y)​

Mathematics
2 answers:
tankabanditka [31]3 years ago
7 0

Step-by-step explanation:

2x²+2xy+yx+y²+2x²+2xy-yx+y²

2x²+2x²+2xy+2xy+yx-yx+y²+y²

2x²+2x²+2xy+2xy

4x²+4xy

ludmilkaskok [199]3 years ago
7 0

Your Answer is in the above image.

Hope this solution may help you

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3 years ago
Find the slope of the line through points (4, 6) and (-6,2).
Pie

Answer: Slope = 2/5

Concept:

Here, we need to know how to find the slope.

Slope = (y₂ - y₁) / (x₂ - x₁)

If you are still confused, please refer to the attachment below for a clearer version of the formula

Solve:

<u>Given information</u>

(x₁, y₁) = (-6, 2)

(x₂, y₂) = (4, 6)

<u>Given formula</u>

Slope = (y₂ - y₁) / (x₂ - x₁)

<u>Substitute values into the formula</u>

Slope = (6 - 2) / (4 - (-6))

<u>Simplify values in the parentheses</u>

<u>REMEMBER to change [+, -] signs when there is a [-] sign in front</u>

Slope = 4 / (4 + 6)

Slope = 4 / 10

<u>Divide both numerator and denominator by 2 to get the simplest form</u>

Slope = (4 ÷ 2) / (10 ÷ 2)

Slope = 2/5

Hope this helps!! :)

Please let me know if you have any questions

6 0
3 years ago
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