Question

(a) $a^2+5 a b+6 b^2$ (b) $(a+3 b)(a+2 b)$ (c) $a(a+2 b)+2 b(a+3 b)$ (d) $(3 a+b)(a+2 b)$ (e) $a(a+2 b)+3 b(a+2 b)$

   (a) $a^2+5 a b+6 b^2$
(b) $(a+3 b)(a+2 b)$
(c) $a(a+2 b)+2 b(a+3 b)$
(d) $(3 a+b)(a+2 b)$
(e) $a(a+2 b)+3 b(a+2 b)$

The Pearson Guide to Objective Arithmetic for Competitive Examinations

The Pearson Guide to Objective Arithmetic for Competitive Examinations

Dinesh Khattar 2nd Edition

Chapter 33, Problem 16

Instant Answer

Step 1

We look for two numbers that multiply to $6$ (the coefficient of $b^2$) and add to $5$ (the coefficient of $ab$). The numbers $2$ and $3$ work since $2 \cdot 3 = 6$ and $2 + 3 = 5$. Show more…

Show all steps

lock

Thanks for your feedback!

(a) $a^2+5 a b+6 b^2$ (b) $(a+3 b)(a+2 b)$ (c) $a(a+2 b)+2 b(a+3 b)$ (d) $(3 a+b)(a+2 b)$ (e) $a(a+2 b)+3 b(a+2 b)$

Play audio

Feedback

Powered by NumerAI

Ace is your personal tutor. It breaks down any question with clear steps so you can learn.

Start Using Ace

Continue solving this problem

Create a free account to:

View full step-by-step solution
Ask follow-up questions with Ace AI
Save progress and study later