Question

-(-2+√2)(-1)+√2 = 2+√2 how ? - 2 become +2 plz explain it

Answer 1

Hi friend!!

Your question might be -(2+√2)(-1) = 2+√2,how?.......,

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-(2+√2)(-1)

→ First multiply (2+√2) and (-1)

(2+√2)(-1) = -(2+√2)

→ We know that when negative term multiplied with another negative term,it gives positive result.

-(-2+√2)(-1) = -{-(2+√2)} = 2+√2

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(-) × (-) = (+)

(+) × (-) = (-)

(-) × (+) = (-)

(+) × (+) = (+)

Hope it helps,,