1.

(2x2+5 -(2x2-5)

Answer»

(2x² + 5)² - (2x² - 5)²

( 2x² + 5 - ( 2x² - 5)) ( 2x² + 5 + (2x²-5))

( 2x² + 5 - 2x² + 5)) ( 2x² + 5 + 2x²- 5)

(10) × 4x²

40x²



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