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Solve the equation x^2-x-56=0

The first step in this solution is to factorise the equation we have been given into the form (ax+b)(cx+d)=0, where a, b, c and d are constants which we need to determine. If we were to expand the brackets w...
RC
Answered by Richard C. • Maths tutor
8788 Views

(3 + root(a))(4 + root(a)) = 17 + k(root(a)) where a and k are positive integers. Find the value of a and the value of k.

Let's open out the bracket using the FOIL method (first, outside, inside, last): (3 + root(a))(4 + root(a)) = 12 + 3root(a) + 4root(a) + (root(a)) 2 = 12 + 7root(a) + a. Since the answer 17 + k(root(a)) is i...
AJ
Answered by Abhinav J. • Maths tutor
10521 Views

Explain why Clemenceau wanted to treat Germany harshly.

The Treaty of Versailles was an agreement of huge historic importance which, at the time, represented not only an end to the bloodiest conflict in human history, but also arguably set the stage for World War...
OE
Answered by Oliver E. • History tutor
32170 Views

Simplify: 3(x+5)-4(2x+1)

This is a simple question where students need to use BIDMAS to solve the equation. The easiest method is to seperate the two sides and solve individually, then combine. Firstly, 3(x+5) multiplies out to give...
MK
Answered by Magdalena K. • Maths tutor
7232 Views

Conjugate the following verbs with the tense and pronoun specified: prendre (présent, vous), monter (passé composé, ils), acheter (futur simple, nous), s'habiller (présent, elles), faire (passé composé, nous), dormir (imparfait, je)

prendre (présent, vous) = vous prenez / monter (passé composé, ils) = ils sont montés / acheter (futur simple, nous) = nous achèterons / s'habiller (présent, elles) = elles s'habillent / faire (passé composé...
AM
Answered by Avani M. • French tutor
2749 Views