find the product (x^2+y^2+z^2)(x+y+z) please reply fast
Answers
Answered by
0
Answer:
x
2
=y+z,y
2
=x+z,z
2
=x+y⟶1
1+x
1
+
1+y
1
+
1+z
1
=
1+x
1+x−x
+
1+y
1+y−y
+
1+z
1+z−z
=1−
1+x
x
+1
1+y
y
+1−
1+z
z
=3−(
x+x
2
x
2
+
y+y
2
y
2
+
z+z
2
z
2
)
( Multiplied numerator and denominator byx,y and z in the 3 terms )
=3−(
x+y+z
y+z
+
x+y+z
z+x
+
x+y+z
x+y
)
=3−2
(x+y+z)
(x+y+z)
=3−2
=1
Step-by-step explanation:
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Answered by
0
Answer:
x³+xy²+xz²+y³+yx²+yz²+z³+zx²
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