exam
Maths Puzzle
Numerical Ability
consider the following formula
y=3(x+5)(x-2)
which one of the following formulas is equivelent to this one?
A.y=3x(squared)+9x-30
B.y=x(squared)+3x-10
c.y=3x(squared)+3x-10
D.y=3x(squared)+3x-30
Read Solution (Total 1)
-
- y=3(x+5)(x-2)=3(x^2-2x+5x-10)=3(x^+3x-10)=3x^2+9x-30
So ans is A - 9 years agoHelpfull: Yes(0) No(0)
exam Other Question