Math, asked by vanisaraf910, 3 months ago

Factorise -
9(x+4)² - 4(x-2)²

Answers

Answered by tashvi2804

0

Answer:5x2+88x+128

Step-by-step explanation: 9(x+4)2−4(x−2)2

Distribute:

=9x2+72x+144+−4x2+16x+−16

Combine Like Terms:

=9x2+72x+144+−4x2+16x+−16

=(9x2+−4x2)+(72x+16x)+(144+−16)

=5x2+88x+128

Answer:

=5x2+88x+128

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