exam Maths Puzzle Numerical Ability

Solve the following system of linear inequalities by graphing.
x - 2y is less than or equal to 4
x is greater than or equal to 1

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exam Other Question

Could I get some help in solving the following problem?
Solve the following equation by factoring.
8x2=30x+8 (The 2 is an exponent) Thanks alot! give an example of this (a + b)2 � a2 + b2