Here are two steps from the derivation of the quadratic formula. What took place between the first step and second step?

A. Completing the square
B. Taking the square root of both sides
C. Factoring a perfect square trinomial

hey seth! : )

i’m not 100% sure, but i think it’s b

hope this ya : p

miss u!

- nicole

is only a line? i think so

3. (5x + 1) - (-10x + 6)

simplify the answer choice. combine like terms. remember to distribute the negative to the terms inside the second parenthesis. also remember that two negatives = one positive, and one of each sign = negative.

- (-10x + 6) = + 10x - 6

simplify. combine like terms:

5x + 1 + 10x - 6

5x + 10x + 1 - 6

15x - 5

∴ it is your answer

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investment b is an ordinary annuity with $3,909.64 in the account after one year.

step-by-step explanation: