Question

AYUDA AA , DOY CORONITA ​

Answer 1

Explicación paso a paso:

$36x^{2} -72x+81\\=> 9(4x^{2} -8x+9)\\\\9x^{4}-30x^{3}+25xy\\=> x(9x^{3}-30x^{2}+25y)\\\\m^{4}-7m^{2}+12\\=> (m^{2}-3)(m^{2}-4) \\\\x^{2} -10x+21\\=> (x-3)(x-7)\\\\x^{2} +7x+12\\=> (x+3)(x+4)\\\\x^{2}+5x-36\\=> (x-4)(x+9)\\\\x^{2} +x-30\\=>(x+6)(x-5)$