Question

Find the roots of the equation x² + 10x + 25 = 0​

Answer 1

Answer:

x^2 + 5x +5x + 25 = 0

x(x + 5) + 5(x + 5)

(x + 5) ( x+5) =0

.•. x = -5

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Answer 2

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$\huge\bf{Solution:-}$

Given Quadratic equation x²-10x+25=0

=> x² - 2*x*5 + 5² = 0

=> ( x - 5 )² = 0

We know the algebraic identity

a² - 2ab + b² = ( a - b )²

=> ( x - 5 )( x - 5 ) = 0

Therefore

( x - 5 ) = 0 or x - 5 = 0

x = 5 or x = 5

Equal roots

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