(x+4)^2

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(x+4)^2 rewrite without parentheses and simplify

Guest Sep 1, 2014

+118608

+5

Best Answer

$$(x+4)(x+4)\\
=x(x+4)+4(x+4)\\
=x*x+x*4 \quad +4*x+4*4\\
=x^2+4x+4x+16\\
=x^2+8x+16$$

Melody Sep 1, 2014

Melody · Answer 1 · 2014-09-01T01:24:38

$$(x+4)(x+4)\\
=x(x+4)+4(x+4)\\
=x*x+x*4 \quad +4*x+4*4\\
=x^2+4x+4x+16\\
=x^2+8x+16$$

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