edrickcoder edrickcoder

21-05-2020
Mathematics

contestada

Solve using the quadratic formula x^2+x=12

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clara856 clara856

21-05-2020

Step-by-step explanation:

x²+x-12=0

by factorization

x²-3x+4x-12=0

taking common

x(x-3)+4(x-3)

(x+4)(x-3)

x= -4. x=3

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