Question

(x+4)squared
expand and simplfy [please]

Answer 1

$\Large\bf\red{\underline{\overline{\mid{\orange{Answer:-}}\mid}}}$

Expand (x+4)²

Apply perfect square formula:

• $a + b^{2} = {a}^{2} + 2ab \: + {b}^{2}$
• $(x + {4})^{2} = {x}^{2} + 2x.4 + {4}^{2}$

Simplify x² + 2x • 4 + 4² : x² + 8x + 16

• $\tt\bf\red{x² + 8x + 16}$

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