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Q: What does x2 plus 6-40 equal?

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2x2 + x2 = 3x2

x2 + x2 = 2x2 2x^2

If by "what is the answer to" you mean, "how do you factor", then there is no answer, as this expression can not be factored. If you're asking to solve for x where the expression above is equal to zero, then x is equal to 16.

572 Because 2x11=22 and 13x2=26 and 22x26=572.

x2 + x2 + x2 = (1 + 1 + 1)x2 = 3x2

x+x=2x

1920

x2+xx = 15 Which is the same as: x2+x2 =15 2x2 = 15 x2 = 7.5 x = the square root of 7.5

Assuming you wish to make this equation equal zero, for x2 + 16x + 55 = 0, x = -5.

x2 + x2 = 48 2x2 = 48 x2 = 24 x = √24 x = 2√6

200 + 640 + 390 = 1270

x2 + x2 = 2x2