exam Maths Puzzle Numerical Ability

show how the distributive property can be used to find 10 x 147.

10 x (150 - 3) = (10 x 150) - (_________ x 30) =

1,500 - _______________________ = __________________

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exam Other Question

Todd is 12 years older than Delores. In 2 years, Todd will be twice as old as Delores. How old is Todd now? express the sum of 4x^2-3x+5 and (x-3)(x-2) as a trinomial. MY QUESTION: if i do this correctly, would the answer be -3x+5x^2+11?