How do you solve 2x^2 = 14x + 20?
2 Answers
Apr 20, 2018
Explanation:
Divide both sides by
Rearrange the equation
It’s in the form of
where,
a = 1 b = -7 c = -10
Use formula for quadratic equation to find
x = (-b +- sqrt(b^2 - 4ac))/(2a)
Apr 20, 2018
Explanation:
- Move everything to left side:
2x^2-14x-20=0 - Factor out a 2:
2(x^2-7x-10)=0 - Solve the parenthetical quadratic (see here for steps)