Question

разложить на множители

x²-25
36-16y²
4x²-81y²
0.09t²-121p²
a²b²-169(16 и 9 дробь)
27-x³
a³+63
8x³-y³

Answer 1

$x^2-25=(x-5)(x+5)\36-16y^2=(6-4y)(6+4y)\4x^2-81y^2=(2x-9y)(2x+9y)\0.09t^2-121p^2=(0.3t-11p)(0.3t+11p)\a^2b^2-frac{16}{9}=(ab-frac{4}{3})(ab+frac{4}{3})\27-x^3=(3-x)(9+3x+x^2)\a^3+64=(a+4)(a^2-4a+16)\8x^3-y^3=(2x-y)(4x^2+2xy+y^2)$