If 5x + 3y=4 and 5x-3y= 2, what is the value of (25x$^2$ -9y$^2$)?

Similar Questions

Find m such that (m + $\sqrt{3}$)(1 - $\sqrt{3}$)2 = 6 - 2$\sqrt{2}$...

Solve for the equation $\sqrt{x}$ - $\sqrt{(x - 2)}$ - 1 = 0...

An arc of a circle of radius 14cm subtends angle 300° at the centre. Find the perimeter of the s...

Evaluate $\frac{21}{9}$ to 3 significant figures...

The pie chart shows the allocation of money to each sector in a farm. The total amount allocated to ...

Find the number of ways of selecting 6 out of 10 subjects for an examination ...

The bearing of Q from P is 122o, what is the bearing of P from Q?...

If 2x - 3y = -11 and 3x + 2y = 3, evaluate $(y - x)^2$...

P is a point on one side of the straight line UV and P moves in the same direction as UV. If the str...

A is at 50°N and B is at 10°N, If A and B are on the same longitude, find the distance AS. C...