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3 years ago

(a^2-b^2) (c^2-d^2) +4abcd

Mathematics

1 answer:

Vikki [24]3 years ago

5 0

$a^{2} {c}^{2} - {a}^{2} {d}^{2} - {b}^{2} {c}^{2} + {b}^{2} {d}^{2} + 4abc$

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3 years ago

Which expression is equivalent to 7 (x + 4)? 28 x 7 (x) + 7 (4) 7 (x) + 4 11 x

Rama09 [41]

Answer:

i'm guessing you're asking which expression is the same as 7(x+4)

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anything added together, multiplied together, etc, that equals 7x+28 is your answer

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3 years ago

Read 2 more answers

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max2010maxim [7]

Answer:

Step-by-step explanation:

The given angle is 45 degrees so the triangle has the same legs.

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3 years ago

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Georgia [21]

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Step-by-step explanation:

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3 years ago

Find x, if 3x − 5(y + x ) ^2 = 16 and 4x + 2(y + x )^ 2 = 30

lana66690 [7]

Answer:

x = 7

Step-by-step explanation:

Start by solving for $(y+x)^2$ which is a common expression for both equations. Then in the first equation:

$3\,x5\,(y+x)^2=16\\3x-16=5\,(y+x)^2\\(y+x)^2=\frac{3\,x-16}{5}$

and in the second equation:

$4\,x+2\,(y+x)^2=30\\2\,(y+x)^2=30-4\,x\\(y+x)^2=15-2\,x$

Now we make the two $(y+x)^2$ expressions equal so we get:

$\frac{3\,x-16}{5} =15-2\,x\\3\,x-16=75-10\,x\\13\,x=75+16\\13\,x=91\\x=7$

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3 years ago

(a^2-b^2) (c^2-d^2) +4abcd​

(a^2-b^2) (c^2-d^2) +4abcd