can anyone give me some simplify sums?
Answers
Answer:
= 21 - 12 ÷ 3 ⨯ 2
= 21 - 4 ⨯ 2 [Performing division]
= 21 - 8 [Performing multiplication]
= 13 [Performing subtraction]
Step-by-step explanation:
Question 1
2(x + 3) - (-3x + 7)
Question 2
- 4(8x - 10) - 3(7x -1) + 3(4x) + 12
Question 3
2(x2 - 3x - 2) - (-3x2 + 7x -1 )
Question 4
-3(x3 - x2 - 2x - 5) - (4x3 - 7x -1 )
Question 5
(- 2x - 5)(2x - 8) - (2x - 5)(3x + 7)
Question 6
(x2 + 4)(x - 4) - (-x - 1)(6x)
Question 7
(-x3 + 4)(x + 2) - (2x - 1)(5x)
Question 8
(x2 + 5)(x + 5) - 3x2(3x + 1)
Question 9
(x3 + 1)(-2x + 2) + 2x2(4x2 + 1)
Question 10
(x4 - 3)(3x - 4) + 2x3(2x2 - 2)
ANSWERS TO ABOVE QUESTIONS
1) 5x - 1
2) - 41x + 55
3) 5x2 - 13x - 3
4) -7x3 + 3x2 + 13x + 16
5) -10x2 + 7x + 75
6) x3 + 2x2 + 10x - 16
7) -x4 -2x3 -10x2 + 9x + 8
8) -8x3 + 2x2 + 5x + 25
9) 6x4 + 2x3 + 2x2 - 2x + 2
10) 7x5 - 4x4 - 4x3 - 9x + 12