y = - 5
substitute the value of x = 4 into the equation and solve for y
- 12 + 9y = - 57 ( add 12 to both sides )
9y = - 45 ( divide both sides by 9 )
y = = - 5
Bao Yu is completing the square to solve the polynomial equation. x^2-x-3=0 what should be her first step?
1 answer:
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