Question
Isolve the following equation: x^2+5=4x For multiple solutions separate your answers by a comma. square
Solution
4.5
(247 Votos)
Francisco
Mestre · Tutor por 5 anos
Resposta
We are tasked with solving the quadratic equation:
### Step 1: Rearrange the equation into standard quadratic formThe standard form of a quadratic equation is:
Rearranging
, we subtract
from both sides:
### Step 2: Solve using the quadratic formulaThe quadratic formula is given by:
Here,
,
, and
. Substituting these values into the formula:
Simplify step-by-step:1. Calculate
:
2. Compute the discriminant (
):
3. Substitute into the formula:
### Step 3: Simplify the square root of the negative discriminantSince the discriminant is negative (
), the solutions will involve imaginary numbers. Recall that
, so:
Substitute this back into the equation:
### Step 4: Simplify the expressionSplit the terms in the numerator:
Simplify each term:
### Final Answer:The solutions to the equation are: