Question

HELP! I need help answering a couple of questions! Please work them out fully. Will give a medal and fan!

Solve by using the square root method:

4: 4. (5x + 3)^2 =12

Find the Discriminant:
10: x^2 - 12x + 36 = 0
11: 5x^2 = x
12: 2x^2 = -x - 12

Please work them out

Thank you

Answer 1

Sorry, there is only supposed to be 4 the number for the question.

Answer 2

sry its \[D=b^{2}-4ac\]

Answer 3

where\[ax^{2} +bx +c=0\]

Answer 4

So how would you work it out?