Question

factorise 3y² −y−4 by splitting the middle term​

Answer 1

Answer:

y

2

−4y+3

=y

2

−y−3y+3

=y(y−1)−3(y−1)

=(y−1)(y−3)

Hence, the answer is (y−1)(y−3).

Answer 2

Answer:

The polynomial x2 + cx + d, where a + b = c and ab = d, can be factorized into (x + a)(x + b).