Five times x plus seven equals eighteen
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
I have attached <span>algebra tiles for the given equation.</span>
Answer:
always true
Step-by-step explanation:
because it's same side inter angles
Given:
Dividend = 
Divisor = 
To find:
The quotient and remainder by using the long division method.
Solution:
Using the long division method, divide the polynomial
by
as shown below:






Therefore, the quotient is
and the remainder is 0.
Answer:
each friend would get 2 3/4
Step-by-step explanation:
11/4