x
2
−
3
y
−
2
z
+
2
x
2
−
6
y
+
3
z
+
x
Answers
Answer:
2
−
3
−
2
+
2
⋅
2
−
6
+
3
+
x^{2}-3y-2z+{\color{#c92786}{2}} \cdot {\color{#c92786}{2}}-6y+3z+x
x2−3y−2z+2⋅2−6y+3z+x
2
−
3
−
2
+
4
−
6
+
3
+
Solution
2
+
−
9
+
+
4
Step-by-step explanation:
2
−
3
−
2
+
2
⋅
2
−
6
+
3
+
x^{2}-3y-2z+2 \cdot 2-6y+3z+x
x2−3y−2z+2⋅2−6y+3z+x
Simplify
1
Multiply the numbers
2
−
3
−
2
+
2
⋅
2
−
6
+
3
+
x^{2}-3y-2z+{\color{#c92786}{2}} \cdot {\color{#c92786}{2}}-6y+3z+x
x2−3y−2z+2⋅2−6y+3z+x
2
−
3
−
2
+
4
−
6
+
3
+
x^{2}-3y-2z+{\color{#c92786}{4}}-6y+3z+x
x2−3y−2z+4−6y+3z+x
2
Combine like terms
3
Combine like terms
2
−
9
−
2
+
4
+
3
+
x^{2}-9y{\color{#c92786}{-2z}}+4+{\color{#c92786}{3z}}+x
x2−9y−2z+4+3z+x
2
−
9
+
1
+
4
+
x^{2}-9y+{\color{#c92786}{1z}}+4+x
x2−9y+1z+4+x
4
Multiply by 1
2
−
9
+
1
+
4
+
x^{2}-9y+1z+4+x
x2−9y+1z+4+x
2
−
9
+
+
4
+
x^{2}-9y+z+4+x
x2−9y+z+4+x
5
Rearrange terms
2
−
9
+
+
4
+
{\color{#c92786}{x^{2}-9y+z+4+x}}
x2−9y+z+4+x
2
+
−
9
+
+
4