Mathematics, 12.10.2020 22:01 sreyasusanbinu

PLESE HELP 100 POINTS WILL MARK BRAINLIEST Simplify the Expression:
(3x3−6x2+7x−11)+(10x2−9x+4)
5x−15

13x3−15x+7x−7

3x3+4x2−2x−7

3x3+4x4−2x2−7
Question 3 (3 points)
Simplify the expression:
(12x2−7x+8)−(4x2−5x+10)
Question 3 options:

16x2−12x+18

8x2−12x+18

8x2−2x−2

8x2−12x−2
Question 4 (5 points)
Which of the following problems are correct?

Question 4 options:

−6x3y(2x2y5)=−12x5y6

4x(5x2)=20x3

2x3(3x3)=6x3

7x2(6x4)=13x8

8x5(7x4)=56x9

−x3(−3x)=3x4
Question 5 (3 points)
Complete the product:
5x3(7x−1)
Question 5 options:
Question 6 (3 points)
Write an expression for the Product of (x+5)(x-3)

Question 6 options:
Question 7 (2 points)
Factor out a GCF:
6x2−15x
Question 7 options:

3(x2−5x)

−9x3

−90x3

3x(2x−5)
Question 8 (2 points)
Factor
x2+12x+20
Question 8 options:

20(x2+12x)

(x+4)(x+5)

240x3

(x+10)(x+2)
Question 9 (2 points)
Factor
x2−2x−8
Question 9 options:

(x+4)(x+2)

(x−4)(x−2)

(x−4)(x+2)

(x+4)(x−2)
Question 10 (2 points)
Factor
9x2−25
Question 10 options:

(3x+5)(3x−5)

3x−5

(x+5)(x−5)

(x+9)(x−25)
Question 11 (3 points)
Select all of the expressions that are factored correctly.

Question 11 options:

36x2−1=(6x+1)(6x−1)

x2−25=(x+1)(x−25)

4x2−121=(x+2)(x−11)

x2−100=(x+10)(x−10)

x2−49=(x+7)(x−7)
Question 12 (3 points)
Factor
x3+8
Question 12 options:

(x+2)(x2−2x+4)

(x+2)(x2+2x+4)

(x+8)(x3+2x+8)

8x3
Question 13 (3 points)
Factor
27x3−64
Question 13 options:

(x+4)(x2+4x+16)

(3x−4)(9x2+12x+16)

(3x−4)(9x2−12x−16)

(3x+4)(3x2+12x+4)

Question 14 (2 points)
Factor: x2+3x+5x+15

Question 14 options:

(x2+3x)(5x+15)

x(3x+15)

(x+5)(x+3)

(5x+3)(5x−3)

Question 15 (2 points)
Factor:

Factor: 3x2−12x−2x+8

Question 15 options:

(3x+2)(x−4)

(3x−2)(x−4)

(3x+2)(x+4)

(3x−2)(x+4)

Answers: 3

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PLESE HELP 100 POINTS WILL MARK BRAINLIEST Simplify the Expression:
(3x3−6x2+7x−11)+(10x2−9x+...

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