Question

(x+5) totul la a 2, (x+3) totul la a 2

Answer 1

(x+5)²=x²+2•x•5+5²=x²+10x+25
(x+3)²=x²+2•x•3+3²=x²+6x+9

Answer 2

$(x + 5) {}^{2}$

$x {}^{2} + 2 \times x \times 5 + 5 {}^{2}$

x+10x+25

$(x + 3) {}^{2}$

$x {}^{2} + 2 \times x \times 3 + 3 {}^{2}$

x+6x+9

Sper ca te-am ajutat!