Answer:
x = - 
, x = 3
Step-by-step explanation:
To find the zeros let p(x) = 0 , that is
2x² - 3x - 9 = 0
Consider the factors of the product of the x² term and the constant term which sum to give the coefficient of the x- term.
product = 2 × - 9 = - 18 and sum = - 3
The factors are - 6 and + 3
Use these factors to split the x- term
2x² - 6x + 3x - 9 = 0 ( factor the first/second and third/fourth terms)
2x(x - 3) + 3(x - 3) = 0 ← factor out (x - 3) from each term
(x - 3)(2x + 3) = 0
Equate each factor to zero and solve for x
2x + 3 = 0 ⇒ 2x = - 3 ⇒ x = -
x - 3 = 0 ⇒ x = 3
Step-by-step explanation:
Step 1:
Let us consider the given expression
On Right Hand Side of equation,
Using BODMAS rule, we could get 2.4 as value.
Step 2:
Now let us consider the Left Hand Side of equation and solve it
which will be equal to 2.4.
Answer:
32m^4 + 12m^3 = 4m^3(8m + 3) ---------->correct
40m^6 - 4 = 4(10m^6 - 1) ---------->correct
Step-by-step explanation:
32m^4 + 12m^3 = 4m^3(8m + 3) ---------->correct
40m^6 - 4 = 4(10m^6 - 1) ---------->correct
15m^3 - 6m = 3m(5m^2 - 2) , so it's not correct if answer : 3m(5m^2 - 6m)
6m^2 + 18m = 6m(m + 3) , so it's not correct if answer : 6m^2(1 + 3)
