exam Maths Puzzle Numerical Ability

Find the following product.
(0.3x + 0.2) (0.3x - 0.2)

Read Solution (Total 0)

exam Other Question

line 1 passes through the points (1,-2) and (-2,-4)
line 2 passes through the points (2,2) and (0,5)
is the prependicular or parallel I need help please
what is twice a number plus 6 times the number is negative 72. Find the number