exam Maths Puzzle Numerical Ability

Perform indicated operations

(x^2-11x+4)-(-2x^2+2x-6)-(X^2+6x-5)

Completely lost again! Thanks

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exam Other Question

how do i find the x- intercepts of -x^4+1.5x^3+8x^2-1.5x-7? How many liters of water must be added to 5 liters of a 30% acid solution to obtain a 20% acid solution?