Answer:
Option D is correct, i.e. (4xy - 3z)² = 16x²y² -24xyz + 9z², a perfect square trinomial.
Step-by-step explanation:
Given the expression is (4xy - 3z)².
Using the formula, (a - b)² = a² -2ab +b².
(4xy - 3z)² = (4xy)² -2(4xy)*(3z) + (3z)²
(4xy - 3z)² = 16x²y² -24xyz + 9z²
It is a trinomial expression and we got it from squared binomial.
Hence, option D is correct, i.e. (4xy - 3z)² = 16x²y² -24xyz + 9z², a perfect square trinomial.
Step-by-step explanation:
1. 3x+5+4x-1
7x+4
2. 5x-3-2x+1
3x-2
3. -7x+4-5x-12
-12x-8
4. 4x-10-5x-2
-x-12
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Yes, but what is the question
Answer:
1, 3, 7, 21!
Step-by-step explanation:
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