Solve showing steps. Use Insert equation to get the symbol and Ctrl with . For exponents x2 + 3x - 4 = 0 9x2 + 12x + 4 =0 (leave answer as a fraction) x2 - 2x - 3 = 0 x2 - 6x + 9 = 0 2x2 - 4x - 3 = 0 (round to two decimal places)*

Here all the given equations are in the form of

The value of can be determined by the perfect square method as follows:

Now, for

So, from equation (i)

Similarly, for

So, from equation (i)

For

For

For

i you goofed up when writing this, because hnot is not a word minusf is not either. i cannot answer   because of that.

step-by-step explanation:

answer: i don't understand. what are the options

step-by-step explanation: