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10. Solve by factoring: y = x2 - 6x + 9
for y = 0.

User Bigsolom
by
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1 Answer

2 votes

Answer:

x=3

Explanation:

y = x^2 - 6x + 9

What two numbers multiply to 9 and add to -6

-3*-3 = 0

-3+-3 = -6

y = (x-3) (x-3)

Setting y = 0

0 = (x-3) (x-3)

x-3 = 0 x-3 = 0

x=3 x=3

User Jugal Panchal
by
6.9k points