please help
1)16b²-60by+25y²
2)4m²+24m+9
3)9x²y²+6xyz+z²
Answers
Answered by
1
Answer:
1)(4b-5y)*(4b-5y)
2)(2m+3)*(2m+3)
3)(3xy+z)*(3xy+z)
Answered by
1
Answer:
1)16b²-60by+25y²
=16b²+25y²-60by
=(4b)²+(5y)²-60by
=(4b+5y)²-2.4b.5y-60by
=(4b+5y)²-40by-60by
=(4b+5y)²-100by
.........and then I can't do
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