The expression x( x - 4 ) when expanded is x² - 4x
An expression, often known as a mathematical expression, is a finite collection of symbols that are well-formed in accordance with context-dependent principles.
When a bracket is expanded, each term is multiplied by the expression outside of the bracket.
The distributive property states that multiplying the sum of two or more addends by a number yields the same outcome as multiplying each addend separately by the number and combining the resulting products.
Consider the expression,
x( x - 4 )
Let us assume y = x( x - 4 )
Using the distributive property, a( b + c ) = ab + ac
y = x( x - 4 )
y = x · x - x · 4
y = x² - 4x
Therefore, x( x - 4 ) = x² - 4x
Therefore, the expression when expanded is x² - 4x.
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Answer:
95
Step-by-step explanation:
Answer:
nth term = 7n - 2
Step-by-step explanation:
a = first term = 5
d = common difference = second term - first term
= 12 - 5 =7
d = 7
a + (n-1)d
= 5 + (n -1)7
= 5 + 7n - 7 {add like terms}
= 7n - 2
Answer:
I had this question, photomath works.
Step-by-step explanation:
Answer:
128 ft³
Step-by-step explanation:
Volume of a prism is the area of the base times the height:
V = Ah
In the case of a triangular prism:
V = (1/2 bh) (L)
Given b = 8 ft, h = 4 ft, and L = 8 ft:
V = 1/2 (8 ft) (4 ft) (8 ft)
V = 128 ft³
