book Maths Puzzle Numerical Ability

how do u simplify the problem (2 to the 5 power x 2 to the negative seventh power)

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book Other Question

Jim rode his bike to school at an average rate of 8mp. On his return trip home, he averaged 6mph. If the total trip took 7 hours, how far is it from home to school I NEED HELP SOLVING THIS:
(4X + 3W^2)(4X - 3X^2)