CSEC Maths - Algebra - Factorizing the difference of two squares

[@johnbacchus542]

this was really helpful sir

[@lifechanging6213]

Love it 😍

[@ayannalewis8470]

X2-81=(×)2-(91)2

[@kristoffgonzales9507]

is it that ur finding the square root of the given number?

[@DinishaJoseph]

182-8=2(92×-4)=(3×2)=(×+2)(3×-2)

[@ayannalewis8470]

Afternoon sir

[@DinishaJoseph]

a2-1=(a)2-(1)=(a+1)(a-1)

[@DinishaJoseph]

Factorize 4y2=(2y)(-2)=(2y+2)

[@DinishaJoseph]

9x2-4=(3×)-2 (3×+1)(3×-1)

[@DinishaJoseph]

5×2-20=5(×2+4)=×2-×2(×+2)(×-2)

[@DinishaJoseph]

9k2,-1=(3k)-(1)2= (3k)

[@ayannalewis8470]

5x2-20=5×

[@DinishaJoseph]

5(×+2)(×-2)

[@DinishaJoseph]

×2-81=(×)2-9=(×+9)(×-9

[@DinishaJoseph]

×2-16=(×)(-4)2= (×+4)(×-4)

[@DinishaJoseph]

a+b=(a+b)(a-b)