Use foil method
\left(3x\right)\left(3x\right)+3x\left(1\right)+\left(-1\right)\left(3x\right)+\left(-1\right)\left(1\right) 9x^2+3x-3x-1
Combine like terms
Answer\:=\:9x^2-1
Frequently asked questions (FAQs)
What is the value of 'x' if 2x + 5 = 17?
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Question: What is the maximum value of the function f(x) = x^3 - 6x^2 + 9x - 2 on the interval [0, 5]?
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What is the integral of x^2 + 3x + 5 with respect to x?