Simplify :
Stepwise answer!

Step-by-step explanation:

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Use the formula : a² - b² = ( a + b ) ( a - b )

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Distribute 2 through the parentheses

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Multiply the algebraic expressions

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When there is a ( - ) in front of an expression, change the sign of each term in the expression

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Since two opposites add up to zero, it would be better to remove them from the expression

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collect like terms and simplify

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Multiply : ( x² - 4 ) and ( x² - 9 )

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Hope I helped!

Best regards! :D

∠cbe and ∠deb are same-side interior angles.

i took the test