Question

(a + 2b)² = ?

(m3 - m2)² = ?​

Answer 1

Respuesta:

Explicación paso a paso:

(a + 2b)² = ?

(m3 - m2)² = ?

$(a+b)^{2} =a^{2} + ( 2*a*b) +b^{2} \\(a-b)^{2} =a^{2} - ( 2*a*b) +b^{2}$

(a + 2b)² = ?

a=a

b=2b

$(a+2b)^{2} =a^{2} +(2*a*2b)+(2b)^{2}$

$(a+2b)^{2} = a^{2} +4ab+4b^{2}$