4 years ago

Factor completely:x^2+12x+27

Mathematics

1 answer:

Kruka [31]4 years ago

4 0

(x + 9)(x + 3)

hope this helps :)

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Simplify the expression to a polynomial in standard form: (−x+1)(x^2+6x−4)

OlgaM077 [116]

Answer:

-x^3-5x^2+10x-4

Step-by-step explanation:

(−x + 1) (x ^ 2 + 6x − 4) = (-x)(x ^ 2 + 6x − 4) + 1(x ^ 2 + 6x − 4)

= -x^3-6x^2+4x+x^2+6x-4 = -x^3-5x^2+10x-4

7 0

2 years ago

Solve the equation. 5(x + 4) = 70 18 14 –6 10

skelet666 [1.2K]

Assignment: $\bold{Solve \ Equation: \ 5\left(x+4\right)=70}$

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Answer: $\boxed{\bold{x=10}}$

<><><><><>

Explanation: $\downarrow\downarrow\downarrow$

<><><><><>

[ Step One ] Divide Both Sides By 5

$\bold{\frac{5\left(x+4\right)}{5}=\frac{70}{5}}$

[ Step Two ] Simplify

$\bold{x+4=14}$

[ Step Three ] Subtract 4 From Both Sides

$\bold{x+4-4=14-4}$

[ Step Four ] Simplify

$\bold{x=10}$

<><><><><><><>

$\bold{\rightarrow Mordancy \leftarrow}$

6 0

3 years ago

(08.05, 08.06 MC)

babunello [35]

A=16x²-8x+1

16x²-8x+1=l²

(16x²-4x)-(4x+1)=l²

4x(4x-1)-1(4x-1)=l²

x=1/4 or 1

Therefore

since x=1/4

l²=1/4=>l=>√(1/4)

l=1/2

since x=1

l²=1=>l=>√1

l=1

Therefore the length of each sides

1 or 1/2

6 0

3 years ago

This is an isosceles trapezoid. R. s 75 X Y У T U

LekaFEV [45]

Answer:

S=R

75+75=150

360-150=210

210/2=105

y=105

5 0

3 years ago

Read 2 more answers

Which of these figures has rotational symmetry?

Bumek [7]

Hello!

The answer is a.

Good luck! :)

8 0

3 years ago