Simplify: [-5]+2 answer please

Mathematics

2 answers:

drek231 [11]3 years ago

4 0

Answer:

I think it's -3

hope it's right:)

ira [324]3 years ago

3 0

Step-by-step explanation:

$\sf{ \huge{( - 5) + 2}}$

While adding or subtracting integers with unlike signs , subtract and keep the sign of the higher integer. In our case , subtract 2 from 5 and keep the sign of higher integer i.e ( - )

⟿ $\sf{ \huge{ \boxed{ { - 3}}}}$

Hope I helped ! ♡

Have a wonderful day / night ! ツ

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What is the sum 4x+1/x+2 + x-1/3x

Yuri [45]

Answer:

$\dfrac{4x+1}{x+2}+\dfrac{x-1}{3x}=\dfrac{13x^2+4x-2}{3x^2+6x}$

Step-by-step explanation:

$Domain:\\x+2\neq0\ \wedge\ 3x\neq0\\\\x\neq-2\ \wedge\ x\neq0$

$\dfrac{4x+1}{x+2}+\dfrac{x-1}{3x}=\dfrac{(4x+1)(3x)}{(x+2)(3x)}+\dfrac{(x-1)(x+2)}{(3x)(x+2)}\\\\=\dfrac{(4x)(3x)+(1)(3x)+(x)(x)+(x)(2)+(-1)(x)+(-1)(2)}{(3x)(x+2)}\\\\=\dfrac{12x^2+3x+x^2+2x-x-2}{(3x)(x)+(3x)(2)}\\\\=\dfrac{13x^2+4x-2}{3x^2+6x}$