exam Maths Puzzle Numerical Ability

2. Combine like terms:
7x2 + 9x � 4x2 � 2 + 6x � 2x2 + 8

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exam Other Question

Find the standard equation of the circle that satisfies the conditions.

Center (-1,-3), passing through the point (3,0) Find the value of c that will make;

9x2+30x+c a perfect square trinomial

thank -you please help