In Algebra one uses letters and numbers to represent quantities.
The letter stands for an unknown number.
i.e:
[i]x[/i] + [i]x[/i] + [i]x[/i] = 3x
or
3 [multiply] [i]x[/i]
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[i]x[/i] [multiply] [i]x[/i] = [i]x[/i][squared]
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5[i]x[/i] [multiply] y = 5[i]x[/i][i]y[/i]
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1[i]x[/i] is written as [i]x[/i].
0[i]x[/i] is written as 0.
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[u]Algebraic Terms[/u]
when letters and numbers are multiplied together the result is an [b]Algebraic Term[/b].
[img src='https://res.cloudinary.com/deylrqt2d/image/upload/v1489338243/algebraic_term_ly2ckz.svg']
[b]Further examples of Algebraic Terms and their components:[/b]
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[td style='padding:10px;background-color:#222;color:#fff;']Term[/td][td style='padding:10px;']Sign[/td][td style='padding:10px;']Coefficient[/td][td style='padding:10px;']Variable[/td][td style='padding:10px;']Power[/td]
[/tr]
[tr]
[td style='padding:10px;background-color:#222;color:#fff;']5x[sup]4[/sup][/td][td]+[/td][td]5[/td][td]x[/td][td]4[/td]
[/tr]
[tr]
[td style='padding:10px;background-color:#222;color:#fff;']-4y[sup]3[/sup][/td][td]-[/td][td]4[/td][td]y[/td][td]3[/td]
[/tr]
[tr]
[td style='padding:10px;background-color:#222;color:#fff;']7z[/td][td]+[/td][td]7[/td][td]z[/td][td]1[/td]
[/tr]
[tr]
[td style='padding:10px;background-color:#222;color:#fff;']-12[/td][td]-[/td][td]12[/td][td]None[/td][td]1[/td]
[/tr]