Why is it appropriate to use the trigonometric functions on
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A quadratic equation is an equation whose leading coefficient is of the second degree. The factored form of the quadratic equation x²-x-2 is (x+1)(x-2).
<h3>What is a quadratic equation?</h3>A quadratic equation is an equation whose leading coefficient is of second degree also the equation has only one unknown while it has 3 unknown numbers.
It is written in the form of ax²+bx+c.
The factored form of the quadratic equation can be done in the following manner,
Thus, the factored form of the quadratic equation x²-x-2 is (x+1)(x-2).
Learn more about Quadratic Equations:
Answer:
Step-by-step explanation:
<h3>to understand this</h3><h3>you need to know about:</h3>- factoring
- PEMDAS
- (a-b)²=a²-2ab+b²
- rewrite the given expression:(x)²-2.2x+(2)²
- (x-2)²
and
we are done