exam
Maths Puzzle
Numerical Ability
Factor the following expressions completely:
a. x^3-4x=0
b. 2x^2+7x-15=0
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exam Other Question
this problem is on page 353 in section 5.6
x^2 - 16 = 0
x^2 -16 +16 = 0 +16
x^2 = 16 take the square root to solve for x
x = 4 is this right?
P=2x+2w for x