Question Number 217789 by hardmath last updated on 21/Mar/25
Commented by mr W last updated on 21/Mar/25
$$?=\sqrt{\left(\mathrm{27}+\mathrm{12}+\mathrm{15}\right)^{\mathrm{2}} −\mathrm{4}×\mathrm{27}×\mathrm{15}}=\mathrm{36} \\ $$
Commented by mr W last updated on 21/Mar/25
$${this}\:{question}\:{came}\:{many}\:{times}\:{in} \\ $$$${forum},\:{for}\:{example}\:\:{Q}\mathrm{83268}. \\ $$
Commented by hardmath last updated on 21/Mar/25
$$\mathrm{prefect}\:\mathrm{thank}\:\mathrm{you}\:\mathrm{dear}\:\mathrm{professor} \\ $$
Commented by malwan last updated on 22/Mar/25
$${Can}\:{you}\:{give}\:{the}\:{general} \\ $$$${form}.\:,\:{please}\:\:\cancel{\lesseqgtr} \\ $$
Commented by mr W last updated on 23/Mar/25
$${it}\:{is}\:{given}\:{in}\:{Q}\mathrm{83268}: \\ $$$${X}=\sqrt{\left({A}+{B}+{C}\right)^{\mathrm{2}} −\mathrm{4}{AC}} \\ $$
Commented by mr W last updated on 23/Mar/25
