Gio is solving the quadratic equation by completing the square.
5x2 + 15x – 4 = 0
what should gio do first?
isolate the constant.
factor 5 out of the variable terms.
isolate the variable x.
add 9 to both sides of the equation.

If Gio is solving the quadratic equation by completing the square, he should

First, isolate the constant.

Next, is to factor 5 out of the variable terms. The whole equation can then be divided by 5.

Then, the resulting coefficient of x is divided by two and squared. This is added to both the left and right side of the equation.

The left side of the equation would be a perfect square trinomial.

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