3 years ago

Combining like terms with negative coefficients and distribution -4(2x-6)-5(3x+8) ?

Mathematics

1 answer:

Ulleksa [173]3 years ago

4 0

Answer:

-23x-16

Step-by-step explanation:

-4(2x-6)-5(3x+8)

=-8x+24-15x-40

=-23x-16

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(30 POINTS COME AND GET IT FOR A MULTIPLE CHOUCE XD) which of the following is the solution for s in the system of equation show

disa [49]

Answer:

(4) s = 20

Step-by-step explanation:

Given system:

r + 2s = 52
2r - s = 4

Eliminate r to solve for s.

To do so, double the first equation and then subtract the second one:

2r + 4s = 104
2r - s = 4

Subtract

4s - (-s) = 104 - 4
5s = 100
s = 100/5
s = 20

Correct choice is (4) 20

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Sliva [168]

Answer:

Alr

Step-by-step explanation:

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Nita earns $20 per week walking her neighbor's dog. She also makes $2 per rose that she sells from her rose garden. Nita wants h

lyudmila [28]

Answer:

20+2>50

Step-by-step explanation:

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3 years ago

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When simplifying 4x^3-10x^2+6x/2x^3+x^2-3x, what are the term(s) that can be cancelled

brilliants [131]

Answer:

x can be cancelled

Step-by-step explanation:

we are given

$\frac{4x^3-10x^2+6x}{2x^3+x^2-3x}$

Firstly, we will factor numerator and denominator

and then we can factor it

$4x^3-10x^2+6x=2x(2x^2-5x+3)$

$4x^3-10x^2+6x=2x(2x+1)(x-3)$

now, we can factor denominator

$2x^3+x^2-3x=x(2x^2+x-3)$

$2x^3+x^2-3x=x(x-1)(2x+3)$

now, we can replace it

$\frac{4x^3-10x^2+6x}{2x^3+x^2-3x}=\frac{2x(2x+1)(x-3)}{x(x-1)(2x+3)}$

we can see that

both terms are having x common

so, x can be cancelled

So,

x can be cancelled

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3 years ago

(-w^3 + 8w^2 – 3w) + (-8w^2 + w + 3) =

kherson [118]

The expression simplified is -w^3-2w+3

I hope this helped

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3 years ago