QUESTION $1$ Given the expression: $18x^3-2x^2+4x-11\mathrm{.}1.$ How many terms are in the expression? $1\mathrm{.}2.$ Write down the coefficient $x^{2}1\mathrm{.}3.$ What is the value of the constant term? $1\mathrm{.}4.$ Calculate the value of the expression, when $x=-11\mathrm{.}5.$ Write down the degree of the expression Simplify the following: $2\mathrm{.}1.,-9x(x^2+3)-5x(2x^2-5)2\mathrm{.}2.3(2a-7{)}^{2}2\mathrm{.}3.,(3x-3)(2x+2)$ Factorise the following: $3\mathrm{.}1.-3t^2-15t3\mathrm{.}2.5x(2x+1)-5d(2x+1)3\mathrm{.}3.2x(y-p)+3c(p-y)3\mathrm{.}4.,81-y^2$ QUESTION $2$ Simplify the following: $2\mathrm{.}1.\frac{10x^4+15x^3}{-5x}2\mathrm{.}2.\frac{3xy+y^2}{3x+y}$