10 Mindful Minutes: Giving Our Children the Social and Emotional Skills to Lead Smarter, Hea

10 Mindful Minutes: Giving Our Children the Social and Emotional Skills to Lead Smarter, Hea

Matematika .......,.............​

.......,.............​

Jawaban:

A. x²-4x-12=0

(x-6)(x+2)

x=6, x=-2

Penyelesaian:

x=6 dan x=-2

(x-x1)(x-x2)=0

(x-6)(x-(-2))=0

(x-6)(x+2)=0

x²+2x-6x-12=0

x²-4x-12=0(a.)

Semoga membantu

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