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Earn +20 ptsQ: What is x squared plus x -42?
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42 plus X squared equals 13X?
42 + x2 = 13x ∴ x2 - 13x + 42 = 0 ∴ (x - 6)(x - 7) = 0 ∴ x ∈ {6, 7}
Which is larger 7 squared or 6x7 plus 7?
They are equal. 7 squared is 7 x 7, which equals 49. 6 x 7 = 42, plus another 7 = 49.
What is 36 squared plus 42 squared?
3060.
How do you simplify x brackets x plus 1 brackets squared?
x[x+1] squared Simplified is, to my knowledge, x squared plus ( x + 1) squared
Factor x squared y squared plus ay squared plus ab plus bx squared?
(a + x^2)(b + y^2)
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