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3 years ago

Which expression is equal to 5 + 4 X 2 - 6?

Mathematics

2 answers:

Maksim231197 [3]3 years ago

5 0

5+4=9 / 2-6=-4 9*-4= -36
The answer =A 9*2-6 = 2-6 =-4 =9*-4=-36

Bezzdna [24]3 years ago

3 0

Answer:

9X2-6

Step-by-step explanation:

9X2-6 because if we add 5 and 4 we get

so it is 9x2-6

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2 years ago

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3 years ago

Simplify 2(a-3)/(a-4)(a-5)+(a-1)/(3-a)(a-4)+(a-2)/(5-a)(a-3)

Umnica [9.8K]

Answer:

$\dfrac{5}{x^3-12x^2+47x-60}$

Step-by-step explanation:

Though it is not what you have written, we think you want to simplify ...

$\dfrac{2(a-3)}{(a-4)(a-5)}+\dfrac{(a-1)}{(3-a)(a-4)}+\dfrac{(a-2)}{(5-a)(a-3)}\\\\=\dfrac{2(a-3)^2}{(a-3)(a-4)(a-5)}+\dfrac{-(a-1)(a-5)}{(a-3)(a-4)(a-5)}+\dfrac{-(a-2)(a-4)}{(a-3)(a-4)(a-5)}\\\\=\dfrac{2(a^2-6a+9)-(a^2-6a+5)-(a^2-6a+8)}{x^3-12x^2+47x-60}\\\\=\boxed{\dfrac{5}{x^3-12x^2+47x-60}}$

_____

When writing a fraction in plain text, parentheses are needed around the entire denominator. The order of operations tells you that a/bc = (a/b)c, not a/(bc).

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2 years ago