$a^2-2ab+b^2=a^2\; -\; 2ab\; +\; b^2\; =$ ............

$2\times 2\times 2\times 2\times 2\times 32\backslash times2\backslash times2\backslash times2\backslash times2\backslash times3$ is a prime factorization of

Common factors of 6xy, $9y^{2}9y^2$

Factorise : $15a^{3}b-35a{b}^{3}15a^3b-35ab^3$

Factorise : ax + ay + bx + by

Factorisation of $x^2+10x+25x^2+10x+25$

$25p^2-49q^2=25p^2\; -\; 49q^2\; =$ ..........

$(p+4)(p-4)(p^2+16)=(p\; +\; 4)\; (p\; -\; 4)\; (p^2\; +\; 16\; )\; =$ ...........

$x^2+x(a+b)+ab=x^2+x(a+b)+ab=$ ...........

$48a^2-243b^2=48a^2\; -\; 243\; b^2\; =$ ............