Question

$( {x + 4)}^{2}$
find solutions
10 points ​

Answer 1

Answer:

(x+4)^2

=x^2+2.x.4+4^2

=x^2+8x+16

Answer 2

Answer:

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Step-by-step explanation:

$= {x}^{2} + 8x + 16 \\ = {x}^{2} + 4x + 4x + 16 \\ = x(x + 4) + 4(x + 4) \\ = (x + 4)(x + 4) \\ = > x + 4 = 0 = > x = - 4$

or put

${(x + 4)}^{2} = 0 = > x + 4 = 0 = > x = - 4$