Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$( { x }^{ 2 } -x-1)( { x }^{ 2 } +x-1)$$

Evaluate

$x^{4}-3x^{2}+1$

Show Solution

Expand

$x^{4}-3x^{2}+1$

Show Solution

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