Question

factorice the following:- 3y²+12y-63 with process​

Answer 1

Answer:

y = -3 and y = 7

Step-by-step explanation:

3y²+12y-63=0

3y²-21y+9y-63=0

3y(y-7)+9(y-7)=0

3y+9=0 and. y-7=0

y = -3 and y = 7

Answer 2

Answer:

factorise the following (a)3y²+12y-63