0

Guest

Courses New

Simplify the expression and find its value when a = 5 and b = – 3. 2(a 2 + ab) + 3 – ab

 Simplify the expression and find its value when a = 5 and b = – 3. 2(a 2 + ab) + 3 – ab

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5964 Points
one year ago
Dear Student

From the question it is given that a = 5 and b = -3
We have,
= 2a^2+ 2ab + 3–ab
= 2a^2+ ab + 3
Then, substitute the value of a and b in the equation
= (2 × 5^2) + (5 × (-3)) + 3
= (2 × 25) + (-15) + 3
= 50 - 15 + 3
= 53–15
= 38

Thanks

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

Other Related Questions on 7 grade maths

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More