Alguien me puede ayudar a resolver esta ecuacion: a2+a=132.... Question from @samylopz

October 2018 2 35 Report

Alguien me puede ayudar a resolver esta ecuacion:
a2+a=132

dgn A2+a=132
3a=132
a=132/3
a=44

1 votes Thanks 0

axllxa $a^{2}+a = 132$

$a^{2}+a - 132= 0$
a -11
a +12

12a-11a = a

(a-11)(a+12) = 0

a - 11 =0 a+12 = 0
a = 11 a = -12

CS = (-12; 11)

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