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transform (x + 6)² =15 into a quadratic equation in the form ax² + bx + c = 0​

Sagot :

Answer:

transform (× + 6)² = 15 into a quadratic equation in the form ax² + bx + c = 0?

Answer:

x^2+12x+21=0

Step-by-step explanation:

(x+6)^2=x^2+12x+36

x^2+12x+36=15

x^2+12x+36-15=0

x^2+12x+21=0