Question

MEDAL
Factor completely -9a2 + 18a – 27.

Answer 1

Use factor by grouping

Answer 2

You can also factor normally : -9(a^2-2a+3)

Answer 3

a.-1(9a2 - 18a + 27)
b. -9a(a2 - 2a + 3)
c.-9(a2 + 2a - 3)
d. -9(a2 - 2a + 3)

Answer 4

D

Answer 5

To factor always start by trying to factor a common factor.

Answer 6

@mathstudent55 I explained.

Answer 7

You have to find a common factor in all three, which is -9

Answer 8

To get the answer as I shown above [ You can also factor normally : -9(a^2-2a+3)
]

Answer 9

so it is D final answer

Answer 10

By normally i meant grouping, yes D