a(-1)³-(-1)²+(-1)+4 how to solve
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refer to the attachment
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Answer:
Evaluate the exponent
⋅
(
−
1
)
3
−
1
(
−
1
)
2
+
(
−
1
)
+
4
a \cdot {\color{#c92786}{(-1)^{3}}}-1(-1)^{2}+(-1)+4
a⋅(−1)3−1(−1)2+(−1)+4
(
−
1
)
−
1
(
−
1
)
2
+
(
−
1
)
+
4
a\left({\color{#c92786}{-1}}\right)-1(-1)^{2}+(-1)+4
a(−1)−1(−1)2+(−1)+4
2
Re-order terms so that constants are on the left
3
Evaluate the exponent
4
Multiply the numbers
−
−
1
⋅
1
+
(
−
1
)
+
4
-a{\color{#c92786}{-1}} \cdot {\color{#c92786}{1}}+(-1)+4
−a−1⋅1+(−1)+4
−
−
1
+
(
−
1
)
+
4
-a{\color{#c92786}{-1}}+(-1)+4
−a−1+(−1)+4
5
Add the numbers
−
−
1
−
1
+
4
-a{\color{#c92786}{-1}}{\color{#c92786}{-1}}+{\color{#c92786}{4}}
−a−1−1+4
−
+
2
-a+{\color{#c92786}{2}}
−a+2
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