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Factorise and solve for the solutions of X in the equation X^2 + 8X +15?

Think of 2 numbers that will add up to give you 8 and mutiply to give you 155 and 3!(X+3)(X+5)=0Anything multiplied by 0=0 so the trick is to make each bracket be equal to 0X+3=0Therefore X=-3X+5=0Therefore ...
SS
Answered by Stephen S. • Maths tutor
3330 Views

Beschreiben Sie deine Familie.

Ich habe eine Kernfamilie, mit dem ich in ein kleines Haus lebe. Ich verstehe mich sehr gut mit meiner Mutter, weil sie nett ist. Manchmal streite ich mit meiner Schwester und meinem Bruder. Sie gehen mir au...
AT
Answered by Annie T. • German tutor
5794 Views

How can I be more analytical of language?

Whether you're writing about a poem or a novel or even a play, being analytical and precise about language devices will help you get top marks.It isnt just enough to say what the writer is doing and what lit...
TK
Answered by Tanzim K. • English tutor
2264 Views

solve the simultanious equations: x - 2y = 2 and 2x + y = -1

I would first isolate x in the first equation in the left hand side (x = 2 + 2y). Then I would replace the x in the second equation with the right hand side of the first equation, making the second equation ...
PS
Answered by Pedro S. • Maths tutor
4284 Views

Factorize 2(x^2) - 2x - 12 fully

2(x 2 ) - 2x - 12= 2( x^2 - x - 6)The constant is negative so the 2 factors must have opposite signs. Then, the x term is negative so the larger one must be negative, and the smaller one positive. 2*(x3)=-6 ...
DH
Answered by Danielle H. • Maths tutor
3840 Views