다항식의 연산

$(10y-6)+(4y-7)$

$(15p-4)+(3p-5)$

$({x}^{2}-4x-34)-({x}^{2}+7x-6)$

$({j}^{2}-8j-27)-({j}^{2}+2j-12)$

$\left(\frac{1}{5}{f}^{8}\right)(20{f}^{3})$

$\left(\frac{1}{4}{d}^{5}\right)(36{d}^{2})$

$(4{a}^{3}b)(9{a}^{2}{b}^{6})$

$(6{m}^{4}{n}^{3})(7m{n}^{5})$

$-5m({m}^{2}+3m-18)$

$5{q}^{3}({q}^{2}-2q+6)$

$(s-7)(s+9)$

$({y}^{2}-2y)(y+1)$

$(5x-y)(x-4)$

$(6k-1)({k}^{2}+2k-4)$

$(3x-11y)(3x-11y)$

$(11-b)(11+b)$

$\left(rs-\frac{2}{7}\right)\left(rs+\frac{2}{7}\right)$

$(2{x}^{2}-3{y}^{4})(2{x}^{2}+3{y}^{4})$

${(m-15)}^{2}$

${(3d+1)}^{2}$