Question

Find the factor of y-7y+ 12 in this which indenty use ​

Answer 1

Answer:

$(y - 3)(y - 4)$

Step-by-step explanation:

Given identity:

$(x + a)(x + b) = {x}^{2} + x(a + b) + ab$

Using given identity:

${y}^{2} - 7y + 12 \\ {y}^{2} - 3y - 4y + ( - 3)( - 4) \\ (y - 3)(y - 4)$