Question

$- 9x ^{2} + 49 = 0$find the solutions of the quadratic equation

Answer 1

Explanation

$-9x^2+49=0$

to solve this we need isolate x, to do that, x must be alone in one side of the "=" symbol,

Step 1

we need to move the term 49 to the rigth (with no affe

The addition property of equality and subtraction property of equality are similar. Adding or subtracting the same number to or from both sides of an equation keeps both sides equal.use the subtraction property of equality

then

subtract 49 in both sides

$\begin{gathered} -9x^2+49=0 \\ -9x^2+49-49=0-49 \\ -9x^2=-49 \end{gathered}$

Step 2

Now, divide both sides by -9

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