Simplify: 300-60(2-x)

2 answers:

8 0

Multiply -60(2-x) = 300-120+60x combine like terms 180+60x you can stop their Or continue subtract 60x from both sides and you'll have 180=-60x divide 60 from both sides and you'll have x=-3

Agata [3.3K]3 years ago

7 0

So PEMDAS so first you distribute the -30(2-x) and get -120-(-60x) or -120+60x
then you do the rest
300-120+60x
180+60x
factor out the 60
60(3+x)
but the simplest form is 180+60x but both should work

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Suppose given △ABD and △CBD.

patriot [66]

Answer:

The required result is proved with the help of angle bisector theorem.

Step-by-step explanation:

Given △ABD and △CBD, AE and CE are the angle bisectors. we have to prove that $\frac{AD}{AB}=\frac{DC}{CB}$

Angle bisector theorem states that an angle bisector of an angle of a Δ divides the opposite side in two segments that are proportional to the other two sides of triangle.

In ΔADB, AE is the angle bisector

∴ the ratio of the length of side DE to length BE is equal to the ratio of the line segment AD to the line segment AB.

$\frac{DE}{EB}=\frac{AD}{AB}$ → (1)