factorise 100 and 49x²
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Answered by
0
Answer:
2401 baki nahi pata kkudh hi dhund Lo
Answered by
2
Step-by-step explanation:
Using the identity a
2
−b
2
=(a+b)(a−b)
By using the above identity, the equation 100−9x
2
can be factorised as follows:
100−9x
2
=(10)
2
−(3x)
2
=(10+3x)(10−3x)
Hence, 100−9x
2
=(10+3x)(10−3x)
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