NCERT Solutions for Class 8 Maths Chapter 14 Factorisation Ex 14.2 are part of NCERT Solutions for Class 8 Maths. Here we have given NCERT Solutions for Class 8 Maths Chapter 14 Factorisation Ex 14.2.

Board |
CBSE |

Textbook |
NCERT |

Class |
Class 8 |

Subject |
Maths |

Chapter |
Chapter 14 |

Chapter Name |
Factorisation |

Exercise |
Ex 14.2 |

Number of Questions Solved |
5 |

Category |
NCERT Solutions |

## NCERT Solutions for Class 8 Maths Chapter 14 Factorisation Ex 14.2

**Ex 14.2 Class 8 Maths Question 1.**

Factorise the following expressions :

**(i)** a^{2} + 8a + 16

**(ii)** p^{2} – 10p + 25

**(iii)** 25m^{2} + 30m + 9

**(iv)** 49y^{2} + 84yz + 36z^{2}

**(v)** 4x^{2} – 8x + 4

**(vi)** 121b^{2} – 88bc + 16c^{2}

**(vii)** (l + m)^{2} – 4lm [Hint : Expand (l + m)^{2} first]

**(viii)** a^{4} + 2a^{2}b^{2} + b^{4}

**Solution:**

**Ex 14.2 Class 8 Maths Question 2.**

**Factorise :**

**(i)** 4p^{2} – 9q^{2}

**(ii)** 63a^{2} – 112b^{2}

**(iii)** 49x^{2} – 36

**(iv)** 16x^{2} – 144x^{3}

**(v)** (l + m)^{2} – (l-m)^{2}

**(vi)** 9x^{2}y^{2} – 16

**(vii)** (x^{2} – 2xy + y^{2}) – z^{2}

**(viii)** 25a^{2} – 4b^{2} + 28bc – 49c^{2}

**Solution:**

**Ex 14.2 Class 8 Maths Question 3.**

**Factorise the expressions :**

**(i)** ax^{2} + bx

**(ii)** 7p^{2}+21q^{2}

**(iii)** 2x^{3} + 2xy^{2} + 2xz^{2}

**(iv)** am^{2} + bm^{2} + bn^{2} + an^{2}

**(v)** (lm + l) + m + l

**(vi)** y (y + z) + 9 (y + z)

**(viii)** 10ab + 4a + 56 + 2

**(ix)** 6xy – 4y + 6 – 9x

**Solution:**

**Ex 14.2 Class 8 Maths Question 4.**

**Factorise.**

**(i)** a^{4} – b^{4}

**(ii)** p^{4} – 81

**(iii)** x^{4} – (y + z)^{4}

**(iv)** x^{4} – (x – z)^{4}

**(v)** a^{4} – 2a^{2}b^{2} + b^{4}

**Solution:**

**Ex 14.2 Class 8 Maths Question 5.**

**Factorise the following expressions :**

**(i)** p^{2} + 6p + 8

**(ii)** q^{2} – 10q + 21

**(iii)** p^{2} + 6p – 16

**Solution:**

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