Question

Factorise the following.
(a) (y^2 + 3y)^2 - 5(y^2 + 3y) - x(y^2+ 3y) + 5x​

Answer 1

EXERCISE A Multiply out the following brackets and simplify. 7(4x + 5); -3(5x - 7); 5a – 4(3a - 1); 4y + y(2 + 3y); -3x – (x + 4); 5(2x - 1) – (3x - 4); (x + 2)(x + 3); (t - 5)(t - 2); (2x + 3y)(3x – 4y); 4(x ... So we factorise by taking 9x2y outside a bracket:.

Answer 2

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Step-by-step explanation:

y^4 +6y^2- 5y^2 - 15y -xy^2 +3xy +5x

=6^4 +y^2-5y^2-xy^2 + 3xy + 5x