Factorisation Quiz 2

Factors of $m^2 – 4m – 21 ……$

$4x^2 + 20x – 96 = …$

$70\,x^4\div14\,x^2=....$

$(6a^2+30a)\div(a+5)=....$

$(6x^4+10x^3+8x^2)\div2x^2=$

$30(a^2bc+ab^2c+abc^2)\div6abc=...$

$x(3x^2 – 108) \div 3x (x – 6) = …$

$(m^2 – 14 m – 32) \div (m + 2) = ……$

$16 z^2 – 48 z + 36 = ……$

$3x^2 + 6x^2y + 9xy^2 = ……$