Let's solve the quadratic equation:
2x^2+7x = 5
First we need to put the equation in the form:
ax^2 + bx + c = 0
For this, we set the equation to equal 0, and arrange the terms from the highest exponent to the lowest:
2x^2+7x-5 = 0
We have:
a=2 b=7 c=-5
We can … Read more

Meaning: Protector of Mankind
Origin: Old English