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natulia [17]
3 years ago
6

Solve the quadratic equation for x. (x−4)(x+6)=0

Mathematics
2 answers:
Rufina [12.5K]3 years ago
8 0

Answer:

X = 4, -6

Step-by-step explanation:

Solve for x by simplifying both sides of the equation, then isolating the variable.

maksim [4K]3 years ago
5 0

Answer:

x = 4 and x = -6

Step-by-step explanation:

We can use the Zero Identity Property, which states that 0 * n = 0, where n is any number.

Here, in order for (x - 4)(x + 6) = 0 to be true, either x - 4 must equal 0 or x + 6 must equal 0. So set each of them equal to 0 and solve for x:

x - 4 = 0

x = 4

x + 6 = 0

x = -6

The answers are x = 4 and x = -6.

Hope this helps!

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Given triangle IMJ with altitude JL, JL = 32, and IL =24, find IJ, JM, LM, and IM.
svetlana [45]
Okay, so I really hope that you can read all my work. I just spent the last 45 mins doing this problem as neatly as possible with as much detail as possible. So, I really hope my work doesn't confuse you. 

My Final Answers were:
JI= 40 units (found using the Pythagorean theorem)
IM= 66.66 units = 66 and 2/3rds (found by dividing the length of JL by the cosine of ∠JIM )
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JM= 53.33 units= 53 and (1/3rd) (found by using the Pythagorean theorem; this time using JI as "a" and IM as c)

Hope this helped and all made sense!

(Pythagorean theorem is a²+b²=c²)


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