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Nataliya [291]
3 years ago
13

Atraeus is solving the quadratic equation by completing the square.7x^2 – 14x + 6 = 0 7x2 – 14x = –6 A(x^2 – 2x) = –6What is the

value of A?
Mathematics
2 answers:
m_a_m_a [10]3 years ago
5 0
So we first minus 6 both sides
7x^2-14x=-6
then we have
A(x^2-2x)=-6
what is A?

hmm (this should be painfully obvous, but if not, here are steps)

7x^2-14x=-6
A(x^2-2x)=-6

7x^2-14x=-6=A(x^2-2x)
7x^2-14x=A(x^2-2x)
undistribute 7
7(x^2-2x)=A(x^2-2x)
divide both sides by (x^2-2x)
7=A

A=7
STatiana [176]3 years ago
3 0

Answer:

A=7

Step-by-step explanation:

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