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zheka24 [161]
3 years ago
5

Can someone help me with these please

Mathematics
2 answers:
Tresset [83]3 years ago
6 0
Answers are d,c,d, d,,,,,,,,,,,,,
polet [3.4K]3 years ago
5 0
10.

x+2 , 10x^2-25x-15
____ x ___________
5x-15 , 1

simplify

x+2 , (10x+5)(x-3)
____ x ___________
5(x-3) , 1

x+2 , 5 (2x+1)
____ x ___________
5 , 1

x+2 , (2x+1)
____ x ___________
1 , 1

(x+2)(2x+1)

11.
x^2+6x+9 , x^2-9
________ ÷ ______
x-1 , x^2-2x+1

change ÷ to × and flip second fraction

x^2+6x+9 , x^2-2x+1
________ × ______
x-1 , x^2-9

simplify

(x+3)(x+3) , (x-1)(x-1)
________ × ______
x-1 , (x-3)(x+3)

(x+3) , (x-1)
________ × ______
1 , (x-3)

(x+3)(x-1)
_______
(x-3)

12.

12t^6-8t^8
________
2t^3

simplify

12t^6 , 8t^8
____ - ____
2t^3 , 2t^3

6t^3-4t^5

13.

6 , 1
___ - ___
x+2 , x+9

multiply

6 (x+9) ,1 (x+2)
______ - _______
x+2(x+9) , x+9 (x+2)

6x+54 , x+2
_________ - _______
x^2+11x+18 , x^2+11x+18

(6x+54)-(x+2)
__________
x^2+11x+18

6x+54-x-2=
5x+52
______
x^2+11x+18
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3 years ago
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Ede4ka [16]
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3 years ago
Read 2 more answers
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pochemuha

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Step-by-step explanation:

divide both by 4

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3 years ago
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