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svp [43]
3 years ago
10

Simplify 5(x + 3) - 9x+4.O A. 14x+7O B.-4x+19O C. 14x+19D. -4x+7​

Mathematics
2 answers:
Julli [10]3 years ago
8 0

Answer:

B

Step-by-step explanation:

distribute

5x+15-9x+4

combine like terms

-4x+19

omeli [17]3 years ago
4 0

Answer:

B -4x+19

-4x+19 is the simplest form of 5(x + 3) - 9x+4

Step-by-step explanation:

5(x + 3) - 9x+4.

= 5x + 15 - 9x + 4

= -4x + 19

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Factor 16x^2 + 49. Check your work.
Shtirlitz [24]

Answer:

16x^2+49=(x-\frac{7i}{4})(x+\frac{7i}{4})

Step-by-step explanation:

Given : Expression 16x^2+49

To find : Factor the expression ?

Solution :

The given expression is a quadratic function y=ax^2+bx+c the solution is x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

On comparing with general form,

a=16, b=0, c=49

Substitute in the formula,

x=\frac{-0\pm\sqrt{0^2-4(16)(49)}}{2(16)}              

x=\frac{\pm\sqrt{-3136}}{32}          

x=\frac{\pm56i}{32}      

x=\frac{56i}{32},\frac{-56i}{32}      

x=\frac{7i}{4},\frac{-7i}{4}              

Factors are (x-\frac{7i}{4}),(x+\frac{7i}{4})        

Therefore, 16x^2+49=(x-\frac{7i}{4})(x+\frac{7i}{4})    

4 0
3 years ago
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attashe74 [19]
The answer is 3/4! Explanation: use slope formula
5 0
2 years ago
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3 years ago
Each term of the first polynomial is ____________ to each term in the second polynomial
Georgia [21]

9514 1404 393

Answer:

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Step-by-step explanation:

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2 years ago
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Answer:

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Step-by-step explanation:

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