Which expression is equivalent to 9x^5+3x (4x^4-3x^2) ^2

Question

Parker

Mathematics

16 February, 20:50

Which expression is equivalent to 9x^5+3x (4x^4-3x^2) ^2

+4

Answers (2)

Know the Answer?

Thomas Rowland · Answer 1

48x^9-72x^7+36x^5 I got this by,

Let's simplify step-by-step. 9 x5 + 3x (4 x4 - 3 x2) 2 Distribute: = 9 x5 + 48 x9 + - 72 x7 + 27 x5 Combine Like Terms: = 9 x5 + 48 x9 + - 72 x7 + 27 x5 = (48 x9) + ( - 72 x7) + (9 x5 + 27 x5) = 48 x9 + - 72 x7 + 36 x 5

Megan Branch · Answer 2

Megan Branch 16 February, 21:13

0

5x9=45+3=48 4x4=16-6=10+2=12