Replace β with a monomial so that the result is an identity:
1. (2a+*)(2a-*)=4a^2-b^2
2...
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Mathematics, 21.12.2019 00:31, jackandryansis8572
Replace β with a monomial so that the result is an identity:
1. (2a+*)(2a-*)=4a^2-b^2
2. (5x+*)(5x-*)=25x^2-0.16y^4
3. (*-b^4)(b^4+*)=121a^10-b^8
4. (*-3x)(*+3x)=16y^2-9x^2
5. 100m^4-4n^6=(10m^2-*)(*+10m^2)
6. m^4β225c^10 = (m^2 β *)(* +m^2)
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Answers: 3
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