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Solve x^​2​ - 10x + 21 = 0 through the following methods: Factorisation, Completing the Square and using the Quadratic Formula

There are three ways of solving quadratic equations: Factorisation, Completing the Square and using the Quadratic Equation. All these methods are correct and it is up to you to choose which one you prefer to...
TU
Answered by Teresa U. • Maths tutor
30190 Views

What is the range of solutions for the inequality 2(3x+1) > 3-4x?

When it comes to answering questions about inequalities, it is important to remember the signs and what they represent. In this instance, we need to find a range of solutions where 2(3x+1) is greater than 3-...
LB
Answered by Lara B. • Maths tutor
4641 Views

Qual e' il trapassato prossimo di cantare? E quando lo utilizzo?

io avevo cantato tu avevi ... egli aveva ... noi avevamo ... voi avevate... essi avevano .. Si utilizza quando parlo di un evento passato, avvenuto prima di un altra azione passata. es: noi avevamo cantato i...
MA
Answered by Monica A. • Italian tutor
3529 Views

Simplify fully (x^2*x^3)/x^4

This question requires knowledge of the rules of indices. The first rule we need to use is that when multiplying indices with the same base (which in this case is x), the indices are added. Therefore the exp...
FW
Answered by Florence W. • Maths tutor
7620 Views

How to form the passe compose with avoir

Let's use the word manger (to eat) as an example, the sentence will be I have eaten First: let's get the pronoun 'I': je Next, we take the auxillary verb (avoir- have) ai then we take the infintive of the ve...
SB
Answered by Sarah B. • French tutor
2705 Views