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Factories (i) 25 x ^(2) + 16 y ^(2) + ...

Factories
`(i) 25 x ^(2) + 16 y ^(2) + 4z ^(2) - 40 xy + 16 xy - 20xy`
`(ii) 9a ^(2) + 4b ^(2) + 16 c ^(2) + 12 ab - 16 bc - 24 ca`

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Factories (i) 25 x ^(2) + 16 y ^(2) + 4z ^(2) - 40 xy + 16 yz - 20zx (ii) 9a ^(2) + 4b ^(2) + 16 c ^(2) + 12 ab - 16 bc - 24 ca

Factorise : 25x^2 + 16y^2 + 42^2 - 40xy + 16yz -20xz .

Fractorise (i) x ^(2) + 5x + 4 (ii) 9x ^(2) - 25 (iii) 25 a ^(2) + 40 ab + 16 b^(2) (iv) 49x ^(2) -112 xy + 64 y ^(2)

Add 9x^(2) + 13xy + y^(2) and 6y^(2) - 2xy + 21x^(2)

Factorise : 9a^2 + 4b^2+ 16c^2+12ab16bc -24ca .

Factorize : 16xy + 9y^2

Factorise the following 25x^(2) - (9)/(16)

Add 5x^2 + 3xy + 2y^2 and 2y^2 - xy + 4x^2 .

Subtract 4xy + 7x^(2) from 6xy + x^(2) - 5y^(2)