Question

(x+3)(x-3) -40

FACTORIZE USING THE FORMULA
${a }^{2} - {b}^{2} = (a + b)(a - b)$
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Answer 1

Step-by-step explanation:

x^2-9-40=0

x^2=49

x=7

Answer 2

Answer:

x=7 or x=-7

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