2 years ago

The cities of fayetteville, raleigh and durham form a triangle. they are building a new

Mathematics

1 answer:

Sati [7]2 years ago

6 0

Answer:

it should be built at the centre

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aleksandr82 [10.1K]

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3 years ago

In the following exercises, multiply the binomials. Use any method.<br> 255. (a + b)(2a + 3b)

Alex_Xolod [135]

Answer:

Hence the expression $(a+b)(2a+3b)=2a^2+5ab+3b^2$

Step-by-step explanation:

Explanation

The given expression is (a + b)(2a+3 b).
We have to multiply the given expression.
Multiply the (a + b) by 3b, multiply the (a + b) by 2a then add like terms.

$\begin{matrix}{} & {} & {} & {} & a & + & b \\ \times & {} & {} & {} & 2a & + & 3b \\ \end{matrix}$

___________________

$\begin{matrix}{} & {} & {} & {} & 3ab & + & 3{{b}^2} \\ {} & {} & 2{{a}^2} & + & 2ab & {} & {} \\ \end{matrix}$

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$\begin{matrix}{} & {} & 2{{a}^2} & + & 5ab & + & 3{{b}^2} \\ \end{matrix}$

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2 years ago

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