Answer:
Step-by-step explanation:
10 x²+11x-6
=10 x²+15x-4x-6
=5x(2x+3)-2(2x+3)
=(2x+3)(5x-2)
4
40%
0.4=0.40
0.40×100
=40%
7 and 8 im pretty sure...
sorry if its wrong..
