1.

Factorise p²-8p+16please answer​

Answer»

ANSWER:

{p}^{2}  - 8p + 16 \\  \\  =  {p}^{2}  - (4 + 4)p + 16 \\  \\  =  {p}^{2} - 4p - 4p + 16 \\  \\  = p(p - 4) - 4(p - 4) \\  \\  = (p - 4)(p - 4)

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