Answer:
7x² + x – 2
Step-by-step explanation:
(4x² + 3) – (–3x² – x + 5)
First, distribute the minus sign to eliminate the parentheses (negative terms become positive and vice versa):
4x² + 3 + 3x² + x – 5
Then, combine like terms:
7x² + x – 2
When you draw the shape out you dont get a triangle
The scientific notation of 6.3 is written as 6.3 × 10^0; option A
<h3>Scientific notation</h3>
- The decimal points should be moved between the first digit and the next digit.
- When moving decimal point to the left in scientific notation; it is negative, that is, -
- When moving decimal point to the right in scientific notation; it is positive, that is, +
Therefore, since there are only two significant number in 6.3, the decimal point can not be moved.
6.3 in scientific notation
= 6.3 × 10^0
Learn more about scientific notation:
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2x - 1 = 9 - 14x
16x - 1= 9
16x = 10
x = 10/16
x= 5/8 is the answer
