Question

Solve the following equation: x2 + 14x + 49 = 0
A. -7
B. {0, 7}
C. 7
D. {7, -7}

Answer 1

Factor it

what are the factors of 49?

Answer 2

that add up to 14?

Answer 3

7

Answer 4

Yes, so
x^2 +7x+7x+49=0

--->

(x+7)(x+7)=0

Answer 5

Now, solve this and see what your answer is

Answer 6

So B. ?

Answer 7

No

x+7=0 or x+7=0

Answer 8

which becomess...

Answer 9

7

Answer 10

No... x+7=0 is the same as x=-7

Answer 11

So A

Answer 12

Yes