Question

factorize:
1.(y²-23y+42)

2.(m²-lm-30)

3.(t²+23t-108)

this are the three questions plz give the answers.

Answer 1

1. y2-23y+42
y2-2y-21y+42
y(y-2)-21(y-2)
(y-2)(y-21)

3.t2+23t-108
t2-4t+27t-108
t(t-4)+27(t-4)
(t-4)(t+27)




2.m2-1m-30
m2-6m+5m-30
m(m-6)+5(m-6)
(m-6)(m+5)