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What is the coefficient of xxx in the expression 5x2−3x+85x^2-3x+85x2−3x+8?

A

-3

B

5

C

The difference of two squares formula is a2−b2=a^2-b^2=a2−b2= (a−b)(a+b)\boxed{(a-b)(a+b)}(a−b)(a+b)​.

D

8

Card 1 of 22

Factorising Harder Quadratics Flashcards

  1. IGCSE
  2. /Maths
  3. /Factorising Harder Quadratics

22 flashcards on Oxford AQA IGCSE Maths Factorising Harder Quadratics: the key terms, formulae and methods you need to recall for Paper 1 and Paper 2 (Core: 1C and 2C; Extension: 1E and 2E).

Flashcards