GeorgeLin
Is the following equation always true, sometimes true, or never true?
1) x + x = 2x
2) x times x = 2x
3) x^2 = 9 (sometimes?)



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ineedhelponmyhw
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x+x=2x

ineedhelponmyhw
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x times x = x sqaured

ineedhelponmyhw
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*squared

bgeorge
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Never true!

sarah43
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1 and 2 are always true but 3 is sometimes

shruti
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IT DEPENDS UPON THE CONDITION WHEREVER IT IS GIVEN OR NEEDED.
BTW THE FIRST ONE IS ALWAYS CORRECT AS I REMMEMBER.

PaxPolaris
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1) \(x + x = 2x\) always
2) \(x \times x = 2x\) sometimes ... when \(x=2\)
3) \(x^2 = 9\) sometimes ... when \(x=3\), or \(x=3\)

shruti
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@PaxPolaris IS RIGHT.