Mark M. answered 09/26/20
Tutor
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Mathematics Teacher - NCLB Highly Qualified
x2 - 6x = -8)
x2 - 6x + 9 = -8 + 9
Can you complete?
4x2 - 12x + 7 = 0
4x2 - 12x = -7
4(x2 - 3x + (1.5)2) = -7 + 9
Can you complete?