Question

Calcule ( x + 2 ) . ( x + 3 ) para x = 1.​

Answer 1

\left(x+2\right)\left(x+3\right),\:x=1:\quad 12

Passos:

\mathrm{For}\:\left(x+2\right)\left(x+3\right)\:\mathrm{substitute}\:x\space\mathrm{\:with\:}\space1

=\left(1+2\right)\left(1+3\right)

=\left(1+2\right)\left(1+3\right)= 12

Estou apenas no 5° ano, mas espero que te ajudei