exam Maths Puzzle Numerical Ability

I NEED TO KNOW HOW DO I FACTOR BY GROUPING.HERE IS MY PROBLEM.X3+X2+3X+3=

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exam Other Question

Solve each of the following systems by using either addition or substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent.
10x + 2y = 7
y = -5x + 3 With summer approaching, the number of air conditioners sold is expected to be double that of stoves and refrigerators combined. Stoves sell for $250, refrigerators for $350, and