Question

Factorise by quadratic trinomials. 1) 10x² + x - 3​

Answer 1

Answer:

$10 {x }^{2} + 6x - 5x - 3 \\ = 2x(5x + 3) - 1(5x + 3) \\ = (5x + 3)(2x - 1)$

which is the required ans

Answer 2

Answer:

10x²+x-3

=10x²-5x+6x-3

=5x(2x-1)+3(2x-1)

=(5x+3)(2x-1)