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