Factor completely.
2 answers:
5x² + 10x - 40
Let's go through all of the answers & simplify them, then see if they are correct.
A) 5(x - 4)(x + 2)
Simplify.
5x² - 10x - 40
So, A) is INCORRECT.
B) 5(x - 2)(x + 4)
Simplify.
5x² + 10x - 40
So, B) is the correct answer.
However, let's also check C just in case :)
C) 5(x - 4)(x - 2)
Simplify.
5x² - 30x + 40
Therefore C) is incorrect.
So, your correct answer is B) 5(x - 2)(x + 4)
~Hope I helped!~
Let's go through all of the answers & simplify them, then see if they are correct.
A) 5(x - 4)(x + 2)
Simplify.
5x² - 10x - 40
So, A) is INCORRECT.
B) 5(x - 2)(x + 4)
Simplify.
5x² + 10x - 40
So, B) is the correct answer.
However, let's also check C just in case :)
C) 5(x - 4)(x - 2)
Simplify.
5x² - 30x + 40
Therefore C) is incorrect.
So, your correct answer is B) 5(x - 2)(x + 4)
~Hope I helped!~
You might be interested in
A. (-1.15)×3.2 = -(1.15×(3 + .2))
... = -(1.15×3 + 1.15×.2) = -(3.45 + 0.23)
... = -3.68
B. There are two factors in the product, one of which is negative. The total number of negative factors is an odd number, so the product will be negative.
You can also enter the numbers with their signs into a calculator, and it will correctly calculate the sign of the product.
