Question

Ayudenme a resolver estos productos notables (2*+3)^2=........................(4*-5)^2=................(2*+4).(2*-4)=......

Answer 1

Respuesta:

${(2x + 3)}^{2} = 4 {x}^{2} + 12x + 9 \\ {(4x - 5)}^{2} = 16 {x}^{2} - 40x + 25 \\ {(2x - 4)}^{2} = 4 {x}^{2} - 16x + 16$