It would actually be 62.5
Step-by-step explanation:
<em>x² - 49 = 0 </em>
<em>or, x² - (7²) = 0</em>
<em>or, ( x + 7 ) ( x - 7 ) = 0</em>
<em>hope</em><em> </em><em>this</em><em> </em><em>answer</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>you</em><em>. </em>
Add 10 on both sides
6x^2+12x+12=0.
Divide by 6 on both sides.
X^2+2x+2=0
Plug into quadratic formula
X=(-2 +\- (2^2-4•1•2))^1/2) /2•1
X=(-2 +\- (-4)^1/2)/2
X=(-2+\- 2i) /2
X=-1+\- I
X= -1 + i OR -1 - i