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Nezavi [6.7K]
3 years ago
12

Kinda struggling need help find the answer X^2+6x-72=0

Mathematics
2 answers:
Vlad1618 [11]3 years ago
6 0

Answer: x = {-12, 6}

<u>Step-by-step explanation:</u>

Need to find two numbers whose product equals the c-value of -72 and sum equals the b-value of +6.

x² + 6x - 72 = 0

              ∧

           -1  +72 = 71

          -2  +36 = 34

         -3   +24 = 21

         -4   +18 = 14

         -6   +12 = 6   -->  this works!  

(x - 6)(x + 12) = 0

x - 6 = 0    and     x + 12 = 0

    x = 6    and           x = -12

11111nata11111 [884]3 years ago
4 0
X = (-12,6)
Jajajaajajaja
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