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Activity $1s$ Divide the following polynomials using long division. a) $\left(2x^{3}+9x^{2}+3x-4\right)\div \left(x+4\right)$ bj $\left(8x^{3}+27\right)+\left(2x+3\right)$ $c$ $\dfrac {11x-20x^{2}+12x^{3}-14} {x-2}$ Activity $2$ Divide the following polynomials using synthetic division $a$ $\left(4x^{2}+x-3\right)\div \left(x-3\right)$ by $\left(3x^{2}+4x-x^{4}-2x^{3}-4\right)+\left(x+2\right)$ c) $\left(2x^{5}-2x^{3}+4x^{2}-3\right)+\left(x+1\right)$ $a\right)$ $\left(-x^{4}+2x^{5}-2x-3x^{2}+1\right)+\left(x-2\right)$ $c\right)$ $\left(2x^{3}+5x^{2}-4x-5\right)+\left(2x+1\right)$