Question

simplify x²(2+3x²+2x) for x=-1​

Answer 1

Answer:

3

Step-by-step explanation:

put x= -1 (given)

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Answer 2

Answer:

x²(2+3x²+2x) for x= 1

x²=1×1=1

3x²= 3×1×1=3

2x=2

so 1(2+3+2)

2+3+2=7