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Vinvika [58]
3 years ago
6

Rewrite in simplest terms: (9x+5)-(-2x+10)(9x+5)−(−2x+10)

Mathematics
1 answer:
Blababa [14]3 years ago
3 0

\implies {\blue {\boxed {\boxed {\purple {\sf {  18 {x}^{2}  - 69x - 55}}}}}}

\large\mathfrak{{\pmb{\underline{\orange{Step-by-step\:explanation}}{\orange{:}}}}}

= (9x + 5) - ( - 2 x+ 10)(9x + 5) - ( - 2x + 10)

= (9x + 5)  + 2x (9x + 5) - 10(9x + 5) - ( - 2x + 10)

= 9x + 5 + 18 {x}^{2} + 10  x- 90x - 50 + 2x - 10

Collect the like terms.

= 18 {x}^{2}   + (9x   + 10x- 90x + 2x) + (5  - 50 - 10)

= 18 {x}^{2}   + (21x - 90x) +(5 - 60)

= 18 {x}^{2}  - 69x - 55

<h3>\boxed{    Note:}</h3>

\sf\pink{PEMDAS\: rule.}

P = Parentheses

E = Exponents

M = Multiplication

D = Division

A = Addition

S = Subtraction

\red{\large\qquad \qquad \underline{ \pmb{{ \mathbb{ \maltese \: \: Mystique35♛}}}}}

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Answer:

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Step-by-step explanation:

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The range of h, h(x), in the table given are all real numbers.

The least of the range of h on the table is -8. All the other range values, namely, -7, 1, 17, and 41 are all greater than -8. None is less than -8.

Therefore, we can conclude that the range values of h "are all real numbers greater than or equal to -8".

6 0
3 years ago
Is 42(x + 14y) equivalent to 42x - 56y
g100num [7]

Answer:

No its not

Step-by-step explanation:

When 42(x + 14y) is simplified:

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Expand and remove the brackets. Remember brackets mean to multiply.

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Therefore 42x-56 is NOT EQUIVALENT to 42(x + 14y) but is equivalent to 42+588y

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4 years ago
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gtnhenbr [62]

Answer:

yes it is a 75% decrease

Step-by-step explanation:

since 80-20=60

60/80=6/8=3/4

3/4=75%

8 0
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