a^(2)+9b^(2)-6ab-25x^(2)

Simplify : (2a+3b+4c) ( 4a^(2) + 9b^(2) + 16c^(2) -6ab - 12bc - 8ca )

Factorize each of the following expressions: x^(2)+2xy+y^(2)-a^(2)+2ab-b^(2)25x^(2)-10x+1-36y^(2)1-2ab-(a^(2)+b^(2))

If a^(2)+9b^(2)-4c^(2)=6ab, then the family of lines ax+by+c=0 are concurrent at:

Factorise: (i) 49a^(2)+70ab+25b^(2) (ii) (25)/(4)x^(2)-(y^(2))/(9)

Solve the following quadratic equation by factorisation. 12 abx^(2)-(9a^(2)-8b^(2))x-6ab=0 .

Solve the following quations by using qardratic formula: 12abx^(2)-(9a^(2)-8b^(2))x-6ab=0

Factorise: b^(2)-6ab-9a^(2)

Factorles: 12a ^(2) b- 9ab^(2) + 6ab

Divide : 4a^(2) + 12ab + 9b^(2) - 25c^(2) by 2a + 3b + 5c