There's a lot of ways! So, you can plug in and solve, solve for the two roots, solve for the vertex form, and solve for the standard form. Multiple ways!
Answer:
9×2
Step-by-step explanation:
(-3x)2=-3x×-3x=9×2
Answer:
45
Step-by-step explanation:
45 times 2 = 40
and
45 times 3 = 40 as well!
hope this helps u!
Answer:
Step-by-step explanation:
As they are similar triangles,we can write
=
⇒
=
⇒DE=15.8