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Rom4ik [11]
3 years ago
14

What is the solution to this equation? -6x + 3 = 21 A. X= 4 B. X = -8 C. X = 3 D. X= -4​

Mathematics
1 answer:
sergejj [24]3 years ago
5 0

Answer:x+-3

Step-by-step explanation:

-6x+21-3

-6x=18

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HEEEELLLPPP PPPLLLZZZ! 30 points if i get the right answer plus step by step
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Answer:

2x - 3

Step-by-step explanation:

2x² - 7x + 6 / x - 2

Factorise the numerator(quadratic expression).

2x² -7x + 6

Find the factor of (2×6= 12  ) that add up to give -7 , the coefficient of x.

Factors = -4 and -3

Rewrite the equation

2x² -4x -3x + 6

2x(x - 2) -3(x -2)

( 2x - 3)(x - 2)

Therefore the expression would be

(2x -3)(x-2) / (x-2)

(x-2) divides (x-2) to give

= 2x - 3

I hope this was helpful, please rate as brainliest  

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3 years ago
When constructing a tangent line to a circle, what two objects are drawn first?
Likurg_2 [28]
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Find the perimeter of the triangle? what does 2 represent in the triangle?​
sergij07 [2.7K]

Answer:

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Step-by-step explanation:

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Can someone help me answer this please?? Thank you so much is you help!! :)
Vesnalui [34]

The value of g(f(x)) will be 3(1-x²) and the value of g(f(2)) will be -9 for the f(x)=4-3x² and g(x)=x-1.

<h3>What is Function?</h3>

A function from a set X to a set Y assigns exactly one element of Y to each element of X. The set X is known as the function's domain, and the set Y is known as the function's codomain.

<h3>What are the 4 types of functions?</h3>

Functions are broadly classified into four categories. Element-based: one-to-one function, many-to-one function, onto function, one-to-one and onto function, into function.

Here, f(x)=4-3x² and g(x)=x-1

g(f(x))=(4-3x²)-1

g(f(x))=4-3x²-1

=3-3x²

=3(1-x²)

g(f(2))=3(1-2²)

=3*-3

=-9

For f(x)=4-3x² and g(x)=x-1, the value of g(f(x)) is 3(1-x²) and the value of g(f(2)) is -9.

To know more about functions,

brainly.com/question/28855767

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