Factorisation of Polynomials

IMPORTANT

Factorisation of Polynomials: Overview

This topic covers concepts such as Factorisation of Polynomials, Factorisation of Quadratic Polynomials by Method of Splitting the Middle Term, Factorisation of Polynomials by Factor Theorem, Standard Algebraic Identities, etc.

Important Questions on Factorisation of Polynomials

HARD
IMPORTANT

Factorise the polynomial 4x4+12x3+8x2 and divide it by 4x2

MEDIUM
IMPORTANT

Solve the following quadratic equation.

1-27y3=(1-3y)(1+3y-9y2)

MEDIUM
IMPORTANT

 Expand the given expression:
(1-x)3

EASY
IMPORTANT

 Prove the following equation:

x3+64=(x+4)(x2-4x+16) 

EASY
IMPORTANT

Factorise

64x3+125y3+12x2y+15xy2

EASY
IMPORTANT

Which of the following is the factorised form of $ {\left(x+y\right)}^{2}-1$ ?

EASY
IMPORTANT

Which of the following identities is most useful in factorising this expression, $ {\left(x+y\right)}^{3}-x-y$ ?

EASY
IMPORTANT

Which of the following expressions is the same as $ 4{m}^{2}-2m-25{n}^{2}-5n$ ?

EASY
IMPORTANT

Find the value of the expression using algebraic identities:

2013 

EASY
IMPORTANT

Expand the following expression:

x2+y3 

MEDIUM
IMPORTANT

Factorise the following by splitting the middle term.
a2-16a-80

MEDIUM
IMPORTANT

Factorise the following by splitting the middle term.
z2-13z-30

MEDIUM
IMPORTANT

Factorise the following by splitting the middle term.
b2-10b+21

MEDIUM
IMPORTANT

Factorise the following by splitting the middle term.
z2+11z+18

MEDIUM
IMPORTANT

Factorise the following by splitting the middle term.
y2-2y-15

MEDIUM
IMPORTANT

Factorise the following by splitting the middle term.
s2+4s-21

MEDIUM
IMPORTANT

Factorise the following by splitting the middle term.
z2+18z+65

MEDIUM
IMPORTANT

Factorise the following by splitting the middle term.
a2+15a+26

HARD
IMPORTANT

The area of a rectangular lawn is equal to x2+12x+35 sq.m. Find the length and breadth of the rectangular lawn. If the cost of fencing this lawn with wires is  3,000 at the rate of  25 per meter, then find out the value of x and hence the actual dimension of the rectangular lawn.

EASY
IMPORTANT

The reduced form of ( 36x2-81y2) is