Answer:
x^2(x – 9) + 5(x – 9)
Step-by-step explanation:
x^3 – 9x^2 + 5x – 45
To factor by grouping, we can take out an x^2 out of the first group of 2 terms
x^2 ( x-9) + 5x -45
We can take out a -5 out of the last 2 terms
x^2 ( x-9) + 5( x-9)
i think it’s is a for the first one
Answer:
AC = 20
Step-by-step explanation:
Δ BDE and Δ BAC are similar, so the ratios of corresponding sides are equal, that is
= 
, substitute values
= 
( cross- multiply )
4AC = 80 ( divide both sides by 4 )
AC = 20
Answer:
√
96
log ∨13 (
28
)
log ∨2 (
16
)
click brainliest and thanks
