Question

x(2x+5) = 25: quadratic equation.
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Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer

3x

2

=2x+8

⇒3x

2

−2x−8=0

⇒3x

2

−6x+4x−8=0

[Middle term splitting]

⇒3x(x−2)+4(x−2)=0

⇒(3x+4)(x−2)=0

x=2 or x=−

3

4