54 is 75% of x.
75% of x:
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75% of x is (3/4)x and 75% of x is 54. Set (3/4)x equal to 54:
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54 is 75% of
72.
Answer:
m= -16
Step-by-step explanation:
m/4+3= -1
-3 -3
m/4= -4
*4 *4
m= -16
X² - 3x - 10
x² = x * x
10 can be factored:
1 x 10 ⇒⇒⇒ difference between factors = 9
2 x 5 ⇒⇒⇒ difference between factors = 3 ⇒ (The correct pair)
(x-5)(x+2) = x(x+2) - 5(x+2)
= x² + 2x - 5x - 10
= x² - 3x - 10
∴ x - 5 = 0 ⇒⇒⇒ x = 5
x + 2 = 0 ⇒⇒⇒ x = -2