First put it in standard form:
<span>x^2 −14x -15 =0
a =1 b =-14 c=-15
Then use the quadratic formula:
x = [-b +-sq root (b^2 - 4ac)] / 2a
x = [--14 +- sq root (14^2 -4*1*-15] / 2*1
x = [14 +-sq root (196 +60)] / 2
</span><span>x = [14 +- 16] / 2
x1 = 15
x2 = -1
</span>
<h3>sorry I don't know </h3>
<h2>sorry I don't know </h2>
The answer is false I took geometry last year
Answer:
1. 1/6
2. 10/36
3. 1/12
Step-by-step explanation:
Answer:
The answer is B 54
Step-by-step explanation:
A=6(3)*2
equal 54