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Mariulka [41]
4 years ago
8

Multiply (3x − 5)2. 9x2 − 30x + 25 6x2 − 10 9x2 − 25 9x2 − 15x + 25

Mathematics
2 answers:
oksian1 [2.3K]4 years ago
7 0

Answer:

9x  - 30x +  25 \\

Step-by-step explanation:

{(3x - 5)}^{2}  \\ (3x - 5)(3x + 5) \\ 3x(3x  -  5) - 5(3x  -  5) \\ 9x  -  15x - 15x - 25 \\ 9x  - 30x +  25

hope this helps you.

ddd [48]4 years ago
5 0

Answer:

9x^2-30x+25

Step-by-step explanation:

(3x - 5)^2

(3x - 5) (3x - 5)

3x(3x - 5)-5(3x - 5)

9x^2-15x-15x+25

9x^2-30x+25

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5 0
3 years ago
Given h(t) = -2(t+ 5)^2 +4, find h(-8).
bekas [8.4K]

Answer:

Substitute -8 as x into the equation.

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7 0
3 years ago
I need to know the amount of Iodine -131 remaining after 72 days
jenyasd209 [6]

Answer:

131 remaining after 72 days

Step-by-step explanation:


4 0
3 years ago
6:
horrorfan [7]

Step-by-step explanation:

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