Question

Factorise the following: a²+ b² + c²- 5c + 2ab


is anyone know the answer​

Answer 1

Answer:

the answer is ( a+b+2c) (a+b-2c)

Answer 2

Answer:

$a ^{2} + b {}^{2} + c {}^{2} - 5c \: + 2ab \\ (a + b) {}^{2} + c {}^{2} - 5c {}^{2} \\ (a + b) {}^{2} + c {}^{2} (1 - 5) \\ (a + b) {}^{2} + c {}^{2} ( - 4) \\ (a + b) {}^{2} - 4c {}^{2}$

This is your answer

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