exam
Maths Puzzle
Numerical Ability
Factor and use the principal of zero.
2x^2+20=x^2+9x (the letter x is squared both times in the problem)
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exam Other Question
Solve using the quadratic formula:
25x2+30x+9=0
The line is parallel to the line whose equation is 7x + y = 7 and has the y-intercept zero.
This is not out of a book!