Answer:
The answer is (x + 3) (x - 7) = 0
Step-by-step explanation:
x² - 4x = 21
x² - 4x - 21 = 0
x² - 7x + 3x - 21 = 0
x(x - 7) + 3(x - 7) = 0
(x + 3) (x - 7) = 0
Thus, The answer is (x + 3) (x - 7) = 0
<em><u>-TheUnknownScientist</u></em>
4.
The equation we have is:
To solve for "a", we want to isolate it in one side.
For this. we can start by multiplying each side by 5. This will make the denominator to cancel out:
Now, we can divide both sides by 8, which will cancel the coefficient 8 multiplying "a":
And that is the answer to 4.
Answer: 2,147,483,648
Step-by-step explanation: Long number, but the pattern is to keep multiplying the previous number by 4
Answer:
Draw a vertical line on a graph, with the x-axis at -6
this line should be parallel to the y-axis, but shift to the left 6 units.
Step-by-step explanation:
Answer:
x= -6
Step-by-step explanation:
Isolate the variable by subtracting 4 from both sides
5x - 14 = 8x + 4 -4
5x - 18 = 8x -5x
-18 = 3x /3
-6 = x
