exam Maths Puzzle Numerical Ability

{X2+3x+1}+ {X2+x+6}

exponent-X2

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exam Other Question

29. Which of the ordered pairs is a solution for the equation 2x - 5y = 10?
A) (0, 2)
B) (-5, 0)
C) (-5, -2)
D) (0, -2)
Thanks for your help!!!
1.) Simplify the following with NO NEGATIVE EXPONENTS in your final answer.

(4a^x+3)(2a^1-x)=