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mart [117]
3 years ago
9

How to solve this problem im not getting a good answer

Mathematics
2 answers:
Margaret [11]3 years ago
8 0
     1) rewrite x^2-9 in the form a^2-b^2, where a=x and b=3.
4 over x+3 + 3 over x^2-3^2
 
     2)Use difference of squares
4 over x+3 + 3 over (x+3)(x-3)
 
     3) Cross multiply
4(x-3)+3 over (x+3)(x-3)
 
     4) Expand
4x-12+3 over (x+3)(x-3)
 
     5) <span>Simplify </span><span>4x-12+3<span>4x−12+3</span></span><span> to </span><span>4x-9<span>4x−<span>9
</span></span></span>4x-9 over (x+3)(x-3)



kow [346]3 years ago
7 0
Well, you have to simplify the bottom part to be able to answer it as a whole number. Hope this helps. 
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Express q(x)=12x^5+40x^4-32x^3 in the form described in the Linear Factorization Theorem. List each zero and its multiplicity.
miskamm [114]

Polynomial is an expression that consists of indeterminates(variable) and coefficients. The multiplicity of 0 is 3, 2/3 is 1 and -4 is 1.

<h3>What are polynomials?</h3>

Polynomial is an expression that consists of indeterminates(variable) and coefficients, it involves mathematical operations such as addition, subtraction, multiplication, etc, and non-negative integer exponentials.

Given polynomial equation q(x)=12x⁵+40x⁴-32x³, therefore, the factorised form of the equation will be,

q(x)=12x^5+40x^4-32x^3\\\\q(x)=4x^3(3x^2+10x-8)\\\\q(x)=(4x^3-0)(3x^2+12x-2x-8)\\\\q(x)=(4x^3-0)[3x(x+4)-2(x+4)]\\\\q(x) = (4x^3-0)(3x-2)(x+4)

Therefore, the multiplicity of 0 is 3, 2/3 is 1 and -4 is 1.

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3 0
2 years ago
Can anyone PLEASE HELP ME!!!????
Agata [3.3K]
The measure angle CD is 180 degrees be uase a straight line is 180 degrees and the measure of angle bpd is 64 degrees because both angles are on a straight line which is 180 degrees so 180-116=64 so the measure is 64.
4 0
3 years ago
I NEED HELP FAST ILL GIVE BRAINLIEST IF CORRECT!
klio [65]

Answer:

1548ft

Step-by-step explanation:

V=lwh

V=(10)(3)(6)=180

V=(19)(12)(6)=1368

V=180+1368=1548

<em>plz mark me brainliest.</em> :)

7 0
3 years ago
PLS HELP ME <br> its due soon
vivado [14]

Answer:

whats the answer???

Step-by-step explanation:

13 was subtracted from a number and that difference was then divided by 5. After which, that quotient was multiplied by 7. The resulting product was -7. What was the number? (

6 0
3 years ago
Find the solution for the system of linear equations by substitution: 2x - y = 3 y − x = 1
Leviafan [203]

The solution for the system of linear equations 2x- y = 3 and y - x = 1 are x = 4 and y = 5

<h3>What are linear equations?</h3>

Linear equations are equations that have constant average rates of change, slope or gradient

<h3>How to determine the solution to the system?</h3>

A system of linear equations is a collection of at least two linear equations.

In this case, the system of equations is given as

2x- y = 3

y - x = 1

Make y the subject in the second equation, by adding x to both sides of the equation

y - x + x = x + 1

This gives

y = x + 1

Substitute y = x + 1 in 2x- y = 3

2x- x - 1 = 3

Evaluate the like terms

x = 4

Substitute x = 4 in y = x + 1

y = 4 + 1

Evaluate

y = 5

Hence, the solution for the system of linear equations 2x- y = 3 and y - x = 1 are x = 4 and y = 5

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7 0
2 years ago
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