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Earn +20 ptsQ: What is x squared plus x -42?
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Factorise x squared plus 13x plus 42?
It is (x+6)(x+7) when factored
What is 42 squared?
42 squared - or 42 x 42 is 1764
What is answer to polynomial x-squared minus x minus 42?
x = ? 42 = x squared minus x
42 plus X squared equals 13X?
42 + x2 = 13x ∴ x2 - 13x + 42 = 0 ∴ (x - 6)(x - 7) = 0 ∴ x ∈ {6, 7}
What is 36 squared plus 42 squared?
3060.
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.
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
What is x squared plus 2xy plus y squared?
(x+y)2
Factor x squared y squared plus ay squared plus ab plus bx squared?
(a + x^2)(b + y^2)
What is x squared plus 6x?
It is a quadratic expression in the variable x.
X squared plus 9 squared equals 12 squared?
X = √63
How do you solve x plus 9 squared?
x=9 squared
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