x^2 8x+16=0 ⇒ #160; x^2 4x 4x+16=0 ⇒ #160; x(x 4) 4(x 4)=0 ⇒ #160; (x 4)(x 4)=0 ⇒ #160; x 4=0 and ...

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Multiplication of Any Polynomial

Solve: x2-8x...

Question

Solve:
$x^{2} - 8 x + 16 = 0$

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Solution

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

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