exam Maths Puzzle Numerical Ability

rational expressions.

Multiply

2x^2-x-3 3x^2-11x-20
-------- * -----------
3x^2+7x+4 4x^2-9

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exam Other Question

Find the slope and the y-intercept.
y=2.6x-9
Can someone help me please. Can someone help me on this problem?

I need to solve the following equation for x, and show proof.

3x - 5(3x -7) = 2(x+9) + 45

Thanks,
Sher