exam Maths Puzzle Numerical Ability

Thank you so much for your help! Can you please help me solve the equation....

42x + 4x+1 � 6 = 0

(the exponents are the 2x and x+1)

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exam Other Question

[(5+4)x3] x 2 = 9 x(3x2)

is this associative law of multiplication?

it looks like we are doing (a x b) x c = a x (b x c) How solve this: To calculate exponents, natural logarithms, and base 10 logarithms in an Excel spreadsheet:

For data in cells A1, B1 these are
=A1^B1 to raise A1 to the B1 po