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sattari [20]
3 years ago
8

="TexFormula1" title="25(3x - y) ^{2} - 16(5x + 3y) ^{2} = " alt="25(3x - y) ^{2} - 16(5x + 3y) ^{2} = " align="absmiddle" class="latex-formula">
25(​
Mathematics
2 answers:
Sedbober [7]3 years ago
8 0

Answer:

-175x^2-630xy-119y^2

Step-by-step explanation:

Arlecino [84]3 years ago
3 0

25(3x-y)²-16(5x+3y)²=25(9x²-6xy+y²)-16(25x²+30xy+9y²)=

=225x²-15xy+25y²-400x²-480xy-144y²=-175x²-630xy-119y²

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How can exponential and logarithmic functions be combined
natulia [17]
Well.. .not exactly what you're asking, but the relationship of them is 
{
log_{{  a}}{{  b}}=y \iff {{  a}}^y={{  b}}\qquad\qquad 
%  exponential notation 2nd form
{{  a}}^y={{  b}}\iff log_{{  a}}{{  b}}=y 
}

so... hmm to add some
for example  let's say   if\ 5^3=125\textit{ that can be written also as}
\\ \quad \\
log_5(125)=3

4 0
3 years ago
Which are steps in the process of completing the square used to solve the equation 3 – 4x = 5x2 – 14x? Check all that apply.
avanturin [10]
Add 4x over to 14x, 3=5x2- 18x then add 18x to the other side 3+ 18x= 5x2then divided each side by 5,( 3+18x/5=x2) then square root each side the answer to x would be the square root of 3+18x/5
6 0
3 years ago
Read 2 more answers
Let C be between D and E. Solve for x <br> DC = 5x + 8<br> CE = 3x + 5<br> DE = 61
morpeh [17]
DE/2 = 30.5
CE=30.5
DC=30.5

3x + 5 = 30.5
3x = 30.5 - 5
3x = 25.5
25.5/3 =8.5
x=8.5
8 0
3 years ago
Please answer, will mark brinliest
Anastaziya [24]

Step-by-step explanation:

Total sections= 8

Yellow sections=2

So,

2/8

In second black write

1/4 ( by reducing 2/8)

hope it helps

5 0
3 years ago
you took out a loan of $1,200 with the principal pay off of $200 a month each month you paid 200 plus the interest at a rate of
Bad White [126]
I think the answer you are looking for is $2,592
5 0
3 years ago
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