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Earn +20 ptsQ: Factorise X2 plus 7X-30
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Continue Learning about Algebra
How do you factorise x2 plus 4x?
X2 + 4xx(x + 4)=======
Factorise x cubed plus 8?
X3 + 8= (x+2)(x2-2x+4)
How do you factorise X2-196?
x2-196 = (x-14)(x+14) when factored
How do you factorise x squared plus 1?
(x2 + 1) = (x2 - i2) with the factors (x+i)(x-i) where i is the square root of (-1).If you don't allow complex numbers (which is usually the case in school mathematics) then there is no factorisation.
How do you factorise x squared minus 4?
X2 - 4= (x + 2)(x - 2)===========
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