Expand and simplify (2x+5)(x^2 + 3x -1)

The answer should be 2x3 + 11x2 +13x - 5

Remeber to multipy both brackets together, and collect like terms.  (Watch out for the minus sign) 

Answered by Fraser P. Maths tutor

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Find the equation of the tangent to the curve y = x2 -3x +5 at the point (1,3).


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Factorise and thus solve: x^2– 2x– 24 = 0


Simplify: 2x + 6y + 2y - x


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