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First factorise (using a "farmer's field", will draw this on whiteboard):=> (X-3)(X-5) = 0Hence using the zero rule (one of the brackets must be equal to 0 if the product is 0),either X-3 = 0...

Waterfalls are ususally found in the upper section of the river course, this is because the bedrock in upper sections is of different degrees of hardness, composed of both hard and soft rock. The main pro...

The first thing we try to do is factorise the numerator and denominator. Let's start with the numerator. We can take a 7 out of the bracket to leave us with 7( x² + 2x ) on the numerator. But w...

2x²+21x+40=0factors of 40=1&40, 2&20, 4&10, 5&85 & 8 are correct factors as 5 + 2*8 = 21(2x+5)(x+8)=0So, x = -8 & -2.5

The subjunctive is a form of a verb that is used to show a level of feeling, or doubt; it is commonly used to discuss whether something will happen or not. In French, the...