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Pepsi [2]
3 years ago
11

Solve for x in the equation x squared + 4 x minus 4 = 8.

Mathematics
2 answers:
Tcecarenko [31]3 years ago
6 0

Answer:

x = -6 or x=2

Step-by-step explanation:

x = –6 or x = 2

x = negative 2 plus-or-minus 2 StartRoot 2 EndRoot

x = –2 or x = 6

x = 2 plus-or-minus 2 StartRoot 2 EndRoot

Goryan [66]3 years ago
5 0

Step-by-step explanation:

x² + 4x − 4 = 8

x² + 4x − 12 = 0

(x + 6) (x − 2) = 0

x = -6 or x = 2

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Perimeter of a square: side length * 4, since squares have equal side lengths

Take 2x - 3 for the side length and plug it into the formula.

(2x - 3) * 4 can be rewritten as 4(2x - 3)

Distribute 4 inside the parentheses.

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Prove 2(2x+4)= 16 2(2x) by using the laws of exponents.<br> boris9
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The prove that the equation can be verified using the laws of exponents.

<h3>What is the proof of the equation given; 2^(2x+4)= 16 × 2^(2x)?</h3>

It follows from the task content that the equation given is; 2^(2x+4)= 16 • 2^(2x).

It follows from the laws of indices ; particularly, the product of same base numbers.

The evaluation is therefore as follows;

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Hence, since LHS = RHS, it follows that the expression is mathematically correct.

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URGENT! PLS ANSWER QUICK!!!!!!!!
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Since the lines have the same slopes, hence they are parallel lines

<h3>How to determine the relationship between lines</h3>

We can determine the relations by knowing the slopes of the line

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For the line with coordinates (–4, –2) and (–8, 1)

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Step-by-step explanation:

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