CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

If A=−x2−5x+3 and B=4x2+7x−1, then calculate 32B−2A?

A
4x2+312x92
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
4x2+412x152
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
8x2+312x92
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
8x2+412x152
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is C 8x2+412x152
A=x25x+3 and 32B=32(4x2+7x1)
Then 32B2A=32((4x2+7x1))2(x25x+3)
= 6x2+212x32+2x2+10x6
= 6x2+2x2+212x+5x326
= 8x2+412x152

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Multiplication of Algebraic Expressions
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon