Book Maths Puzzle Algebra

Using completing the square what is x? x^2-14x+49 = 64

Read Solution (Total 0)

Book Other Question

How do you fill in the blanks to these problems?
1. (x+5)(x+?)=x^2+8x+15

2. (y-?)(y+4)=y^2+3y-4 Ten people can paint 60 houses in 120 days, so five people can paint 30 houses in how many days ?