Answer:
1.
Solution:
A = l x w
A = (2x - 3)(x + 7)
A = 2x^2 + 14x - 3x - 21
A = 2x^2 + 11x - 21
2x^2 + 11x - 21 units^2
2.
d = s x t
d = (x^2 - 8x + 12) x (3x)
d = 3x^3 -24x^2 + 36x
3x^3 -24x^2 + 36x units
3.
Value of 1 dozen eggs x Number of eggs both (in dozen)
(4x + 7) (3)
12x + 21
12x + 21 units
1. Solution:
A = (2x - 3) x (x + 7)
Answer : 2x² +11x - 21
2. Solution:
D = S x T
D = (x²-8x+12) x (3x)
Answer: 3x³ - 24x² + 36x
3. Solution:
(4x + 7) x 3
Answer: 12x + 21
#CarryOnLearning
Hope it helps
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Answers & Comments
Answer:
1.
Solution:
A = l x w
A = (2x - 3)(x + 7)
A = 2x^2 + 14x - 3x - 21
A = 2x^2 + 11x - 21
Answer:
2x^2 + 11x - 21 units^2
2.
Solution:
d = s x t
d = (x^2 - 8x + 12) x (3x)
d = 3x^3 -24x^2 + 36x
Answer:
3x^3 -24x^2 + 36x units
3.
Solution:
Value of 1 dozen eggs x Number of eggs both (in dozen)
(4x + 7) (3)
12x + 21
Answer:
12x + 21 units
Answer:
1. Solution:
A = l x w
A = (2x - 3) x (x + 7)
Answer : 2x² +11x - 21
2. Solution:
D = S x T
D = (x²-8x+12) x (3x)
Answer: 3x³ - 24x² + 36x
3. Solution:
(4x + 7) x 3
Answer: 12x + 21
#CarryOnLearning
Hope it helps