Factorize 81xsquared+180x+100
1 answer:
Answer:
- 81x²+180x+100
- 9x²+180x+10²
- using (a+b)²=a²+b²+2ab
- 9x²+2(9x)(10)+10²
- (9x+2)²=(9x+2)(9x+2)
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Step-by-step explanation:
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Step-by-step explanation:
a₁ = πr₁⁵ = 25π cm²
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