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natulia [17]
2 years ago
6

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

Mathematics
2 answers:
Rufina [12.5K]2 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]2 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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21.  ΔUYZ <u>Obtuse</u>

22. ΔBCD <u>Right or Rectangle</u>

23. ΔADB <u>Acute</u>

24. ΔUXZ <u>Acute</u>

25. ΔUWZ <u>Right or Rectangle</u>

26. ΔUXY <u>Equiangular and acute</u>

Step-by-step explanation:

We need to classify each triangle by its angles.

Acute: They have 3 acute angles (less than 90 degrees).

Rectangle: The inner angle A is straight (90 degrees) and the other 2 angles are sharp. The sides that form the right angle are called legs (c and b), the other side hypotenuse.

Obtuse: The inner angle A is obtuse (more than 90 degrees). The other 2 angles are acute.

ΔUYZ Obtuse  The inner angle Y is obtuse (more than 90°).

ΔBCD Right or Rectangle The inner angle C is straight (90°).

ΔADB Acute It has 3 acute angles (less than 90°).

ΔUXZ Acute  It has 3 acute angles (less than 90°).

ΔUWZ Right or Rectangle The inner angle W is straight (90°).

ΔUXY Equiangular and acute Which means all the inner angles are equal (60°).

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