Question

desenvolva os binomios (x+4)^4

Answer 1

4*x + 4*3 = 4x + 12.
E o valor de x é: 4x = -12  x = -12/4 x = -3

Answer 2

a+b)^4 = 1.a^4+4a³b+6a²b²+4ab³+1.b^4 

=x^4+4(x³)(4)+6(x²)(4)²+4(x)(4³)+4^4 
=x^4+12x³+96x²+48x+ .... descobre