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3 years ago

Simplify. 4x2+2xx2+x−28x2+4x3x2+10x+8

Mathematics

1 answer:

Tatiana [17]3 years ago

3 0

What’s the answer? I can’t divide anything if it’s just x. Example: 12x+24x+30 = 467. Then you can just divide the numbers after they are added up to see what x equals. 30 and 24x + 12x won’t go together because they have x, 30 doesn’t. Move your x’s to Texas.

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3 years ago

Read 2 more answers

Solve the matrix equation below. What is the value of x in the new matrix?

andrew11 [14]

The new matrix that is formed by the 3A + B is given below. Then the value of x is 102.

$\begin{bmatrix} w & z \\y & z \\\end{bmatrix} = \begin{bmatrix} 46 & 102 \\15 & -2 \\\end{bmatrix}$

<h3>What is the matrix?</h3>

A matrix is a specific arrangement of items, particularly numbers. A matrix is a row-and-column mathematical structure. The $a_{ij }$ element in a matrix, such as M, refers to the i-th row and j-th column element.

The matrices are given below.

$\rm A = \begin{bmatrix}9 & 27 \\0 & 6 \\\end{bmatrix}\\\\\\B = \begin{bmatrix}19 & 21 \\15 & -20\\\end{bmatrix}$

Then the new matrix is given as 3A + B. Then we have

$\rm 3A + B =\begin{bmatrix} w & z \\y & z \\\end{bmatrix}\\\\\\3A + B =3 \times \begin{bmatrix}9 & 27 \\0 & 6 \\\end{bmatrix} + \begin{bmatrix}19 & 21 \\15 & -20\\\end{bmatrix}\\\\\\3A + B = \begin{bmatrix}27& 81\\0 & 18\\\end{bmatrix} + \begin{bmatrix}19 & 21 \\15 & -20\\\end{bmatrix}\\\\\\3A + B = \begin{bmatrix} 46 & 102 \\15 & -2 \\\end{bmatrix}$

More about the matrix link is given below.

brainly.com/question/9967572

#SPJ1

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3 years ago