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
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