book Maths Puzzle Numerical Ability

Factor:
7y^2 - yz - 4z + 28y

Read Solution (Total 0)

book Other Question

2(x - 1) = 3(x + 1) solve for x:
{{{x^2}}} 5
x 1 = 36

and {{{x^2}}} 5
x 1 are in those long stright up and down lines to make a matrice
with {{{x^2}}} over x and 5 over 1