Question

DESCOMPUNETI IN FACTORI:
36(X-2)^2-25(X+1)^2

Answer 1

$36( {x}^{2} - 2 \times x \times 2 + {2}^{2} ) \\ - 25( {x}^{2} + 2 \times x \times 1 + {1}^{2} ) =$

$= 36 {x}^{2} - 144x + 144 - 25 {x}^{2} \\ - 50x - 25 =$

$= 11 {x}^{2} - 194x + 119$