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Find Solution to x^2 + x - 2=0

Using the factorisation method.

the factorised solution will look like (x+a)(x+b) = 0

by multiplying these two brackets we get the equation:

x^2 + a.x+b.x + a....

Answered by Matthew P. • Maths tutor

4947 Views

What factors can shift the supply curve and explain the impact of a change in one of these factors on the supply curve.

Different factors can shift the supply curve. It must be noted that changes in prices do not shift the supply curve, but causes a movement along the curve. In order to shift the curve, there...

Answered by Shona S. • Economics tutor

30569 Views

How do you factorise fully 3 a^3 b + 12 a^2 b^2 + 9 a^5 b^3?

WORKING OUT

3a³b+12a²b²+9a⁵b³

1) 3(a³b+4a²b²+3a⁵b³

Answered by Anna W. • Maths tutor

3746 Views

Predict the effect of an increase in pressure and temperature on the production of ammonia in the reaction: N2(g) + 3H2(g) <-> 2NH3 (g) , where the change in enthalpy is -92.4 kJ

An increase in temperature and an increase in pressure will have contradictory effects on the reaction.

The effect of an increase in the temperature of a system, on the equilibrium of a r...

Answered by Aaron S. • Chemistry tutor

40094 Views

What is the most effective way to learn vocab ?

Obviously there is no quick solution here. Approaches to learning vocab vary from person to person , and everybody has their own unique way of learning vocabulary .

Personally I find the ...

Answered by James B. • German tutor

1590 Views