Asked by kasey
I do not understand multioplying binomials + factoring
(x+9) (x-9)
can you show and explain the steps
(x+9) (x-9)
can you show and explain the steps
Answers
Answered by
PsyDAG
+9 * -9 = -81
x * -9 = -9x
x * 9 = 9x
x *x = x^2
9x-9x = 0
Answer: x^2 - 81
x * -9 = -9x
x * 9 = 9x
x *x = x^2
9x-9x = 0
Answer: x^2 - 81
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