Exercise ID259

Algebra → Exponents → Powers
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Evaluate the following expression:

1x-644+2x+1x2·x24-4x+1x2-4x22x+11-2xxZ

1x-644+2x+1x2·x24-4x+1x2-4x22x+11-2x =1-64x6x64x2+2x+1x2·x24x2-4x+1x2 =1-64x6x44x+2x+1·x44x4-4x+1 =1-8x324x2+2x+14x2-4+1 =1-8x31+8x34x2+2x+11-2x2 =1-2x1+2x+4x21+2x1-2x+4x24x2+2x+11-2x2 =1+2x1-2x+4x21-2x-4x22x+11-2x =2x+14x2-2x+1-4x21-2x =2x+11-2x1-2x =2x+1
1x-644+2x+1x2·x24-4x+1x2-4x22x+11-2x=2x+1
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