What is x in the expression (8x^2-2x-21)
1 answer:
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Assuming x = 4, replace each x in the equation with 4:
Solve each term in parentheses:
Your equation should now look like this:
f(4) will equal 55.
Solve each term in parentheses:
Your equation should now look like this:
f(4) will equal 55.