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Algebra factorising Quadratic equation HELP ! Core 1

How to solve : a) 6x^2 - 8x - 8
b) 2x^4 + 14x^2 + 24
It's Factorise quadratic equations (difference of two squares)

Please show me how to do this is steps >< thanks guys!

(edited 7 years ago)

Reply 1

Athy_Obelia

a) (2x-4)(3x+2)
b) (2x^2+8)(x^2+3)

Reply 2

Hanna423

Original post by rayestar

a) (2x-4)(3x+2)
b) (2x^2+8)(x^2+3)

No the answer is a) 2(3x + 2) (x - 2)
b) 2 (x^2 + 3 ) (x^2 + 4 )
but idk how to do it.

Reply 3

Athy_Obelia

Original post by Hanna423

No the answer is a) 2(3x + 2) (x - 2)
b) 2 (x^2 + 3 ) (x^2 + 4 )
but idk how to do it.

that answer is correct too, but your answer is just factorised even further. my answer wasn't factorised as much, but it's still correct in the end

don't u have a revision guide? that's gcse stuff