Factor Completely: x2 - 81 A.(x-9)(x+9) B.(x+9)(x+9) C.(x-9)(x-9) D.(9-x)(9+x)
2 answers:
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#A
Tax is not required as there is 10%off the cost including tax.
#B
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#A
Tax is not required as there is 10%off the cost including tax.
#B
total bill:'