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Aleonysh [2.5K]
3 years ago
13

(3x-2)(2x+4) using the box method of multiplication

Mathematics
2 answers:
Sergeu [11.5K]3 years ago
7 0

Answer:

(3x-2)(2x+4)

= 6x^2+8x-8

Step-by-step explanation:

balu736 [363]3 years ago
6 0

Answer:

6x²-8x-8

Step-by-step explanation:

(3x - 2)(2x + 4)

3x \times 2x = 6 {x}^{2}  \\ 3x \times 4 = 12x \\  - 2 \times 2x  =  - 4x \\  - 2 \times 4 =  - 8

6 {x}^{2}  + 12x - 4x - 8 \\ 6 {x}^{2}  + 8x - 8

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Which property is demonstrated by the equation (5 + a) + 3 = (a + 5) + 3?
sineoko [7]

Answer:

Communitive Property

Step-by-step explanation:

Commutative property = 2 + 3 = 3 + 2 or 2(3) = 3(2)

Associative Property = (2 x 3) 5 = 2 (3 x 5) or (2 + 3) + 5 = 2 + (3 + 5)

Inverse Property = 2 + (-2) = 0 or (2/1)(½) = 1

Basic Definitions:

<u><em>Commutative Property</em></u> - Gives you the ability to switch the order of the numbers in an expression.

<u><em>Associative Property</em></u> - Let's you move the parenthesis in an expression but not the numbers.

<u><em>Inverse</em></u> - Uses numbers like 0 and 1.

Using these basic definitions and examples, we can summarize that the best answer would be <u>Communitive Property</u>

<u></u>

4 0
3 years ago
-(q + 14)= -3 + (-14)
Liula [17]
-(q + 14) = -3 + (-14)
-q - 14 = -3 -14
-q - 14 = -11
-q = +14 - 11
-q= 3
3 0
3 years ago
reply to this with answer Which best proves why the expressions 4 (x + 3) + 2 x and 6 (x + 2) must be equivalent expressions?
Ivan

Answer:

Given expressions are equivalent.

Step-by-step explanation:

Given expression:

4 (x + 3) + 2x and 6 (x + 2)

Find:

Given equivalent expressions or not

Computation:

By taking LHS

4 (x + 3) + 2x

4x + 12 + 2x

6x + 12

By taking RHS

6 (x + 2)

6x + 12

We say that

LHS = RHS

So,

Given expressions are equivalent.

3 0
3 years ago
The diameter of a circle is given by the two points (5,-2) and (1,-2). What is the length of the diameter? What is the radius of
Serga [27]

Answer:

Diameter: 4

Radius: 2

Equation: ( x-3 ) + ( y + 2) = 4

6 0
3 years ago
State what additional information is required in order to know what the triangles are congruent by SSS.
soldi70 [24.7K]

Answer:

  see below

Step-by-step explanation:

In order to show congruence by SSS (Side-Side-Side), you need to have 3 pairs of sides congruent. The diagram shows two pairs congruent (those of choice B), so you need information that the third pair of sides is congruent, choice D.

__

Any answer choices involving angles are irrelevant for SSS congruence.

4 0
3 years ago
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