$\left(x+y-7\right)^2$

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Final answer to the problem

$x^2+y^2+49+2xy-14x-14y$
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Step-by-step Solution

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Apply the formula: $\left(a+b+c\right)^2$$=a^2+b^2+c^2+2ab+2ac+2bc$, where $a=x$, $b=y$ and $c=-7$

$x^2+y^2+{\left(-7\right)}^2+2xy+2\cdot -7x+2\cdot -7y$

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$x^2+y^2+{\left(-7\right)}^2+2xy+2\cdot -7x+2\cdot -7y$

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Learn how to solve produits spéciaux problems step by step online. (x+y+-7)^2. Apply the formula: \left(a+b+c\right)^2=a^2+b^2+c^2+2ab+2ac+2bc, where a=x, b=y and c=-7. Apply the formula: ab=ab, where ab=2\cdot -7x, a=2 and b=-7. Apply the formula: ab=ab, where ab=2\cdot -7y, a=2 and b=-7. Apply the formula: a^b=a^b, where a=-7, b=2 and a^b={\left(-7\right)}^2.

Final answer to the problem

$x^2+y^2+49+2xy-14x-14y$

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Plotting: $x^2+y^2+49+2xy-14x-14y$

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7
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9
0
a
b
c
d
f
g
m
n
u
v
w
x
y
z
.
(◻)
+
-
×
◻/◻
/
÷
2

e
π
ln
log
log
lim
d/dx
Dx
|◻|
θ
=
>
<
>=
<=
sin
cos
tan
cot
sec
csc

asin
acos
atan
acot
asec
acsc

sinh
cosh
tanh
coth
sech
csch

asinh
acosh
atanh
acoth
asech
acsch

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