find the square (2x - 3y) step by step explaination please
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formula:
(a-b)²=a²+b²-2ab
solution:
(2x-3y)²
(2x)²+(3y)²-2×2x×3y
4x²+9y²-12xy
answer:
4x²+9y²-12xy
hope it helps...
Answered by
0
Answer:
4x²-12xy+9y²
Step-by-step explanation:
(2x-3y)²
Using the identity:-(a-b)²=a²-2ab+b²
=(2x)²-2(2x)(3y)+(3y)²
=4x²-12xy+9y²
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