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Examples

Numerical expressions

14: 10 + 4; 8 + 6; 19 - 5;...
16: 2 + 14; 9 + 7; 20 - 4;...

Variable expressions

For x = 2,

14: 7x; 6x + 2; 2x2 + 3x; x4 - 2; x3 - 2x + 10; ...
16: 8x; 4x2; 2x3; x2 + 5x + 2; x2 + 8x - 4; ...

For x = 10 and y = -4,

14: x - y; 3x + 4y; (x + y)2 - 2x - 2; ...
16: 2x + y; x - y + 2; x2 + 2xy + y; ...

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15y ago

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