Problem: Add spaces: Thevertex(wheretheparabolaturnsround)liesontheaxisofsymmetrythereforeweknowthex-valueofthevertex(3).

Spaces added: The vertex (where the parabola turns round) lies on the axis of symmetry therefore we know the x-value of the vertex (3).

Problem: Add spaces: Theulama(Muslimscholars)tellusthatMuhammadonlyfoughttodefendhimself.

Spaces added: The ulama (Muslim scholars) tell us that Muhammad only fought to defend himself.

Problem: Add spaces: PlayforFunPlayrealmoney

Spaces added: Play for Fun Play real money

Problem: Add spaces: WiththetipsyouwillquicklylearnhowtoplaySudokuonline,andeventuallyincreaseyourlevelandherniaandwillbeabletomoveupthefieldchallenginglevels.

Spaces added:
With the tips you will quickly learn how to play Sudoku online, and eventually increase your level and hernia and will be able to move up the field challenging levels.