Evaluate x+3 squared by 2 - 6 when x = 4
2 answers:
Answer:
43
Step-by-step explanation:
Assuming you meant "evaluate x+3 squared - 6 when x = 4, we get:
(x + 3)^2 - 6
Substituting 4 for x, we get 7^2 - 6, or 43.
Answer:
43
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify.</em>
(x + 3)² - 6
<em>x</em> = 4
<u>Step 2: Evaluate</u>
<em>Follow Order of Operations.</em>
- Substitute in <em>x</em> [Equation]: (4 + 3)² - 6
- (Parenthesis) Add: 7² - 6
- Exponents: 49 - 6
- Subtract: 43
You might be interested in
Answer:
n= -15
k = -11
Step-by-step explanation:
-14 = -11 + n/5
-14 + 11 = n/5
-3 = n/5
n = -15
-5k-16 = 39
-5k = 39 + 16
-5k = 55
k = -11
Answer:
x = 175/7
Step-by-step explanation:
Combining the like terms in 4x-14+3x=161, we get
7x = 175, and so:
x = 175/7
This is true.
x+7=8.3. Remove 7 on both sides :x=8.3-7=1.3
5.6-4.9=x
.7= x is the answer not .8