We know the algebraic identity: (a - b)(a + b) = a^2 + b^2. Therefore, we should square 3 and 4x.
- = (3)^2 - (4x)^2
- 9 - 16x^2
<u>Answer</u><u>:</u>
<u>9</u><u> </u><u>-</u><u> </u><u>1</u><u>6</u><u>x</u><u>^</u><u>2</u>
Hope you could understand.
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Answer:
x=0
Step-by-step explanation:
First distribute -4 to x and -5 and get -4x+20-25=-5
Then you combine like terms and get -4x-5=-5
Then add 5 to both sides and get -4x=0
Then divide both sides by -4 and get x=0
The answer is Option B , the solution is 3
Answer:
x=-2
Step-by-step explanation:
Answer:
Step-by-step explanation:
Rational numbers;
Numbers which can be written in the form of
or repeating decimal numbers are the rational numbers.
Examples : 1, 2, 
Irrational numbers:
Numbers which can't be written in he form of a fraction or non repeating decimal numbers are the Irrational number.
Example: 
From the given numbers,
Rational numbers:
, 6.25, 0.01045,
, 0.424242....
Irrational numbers: 