I need help :((((((((
1 answer:
An equation has an infinite number of solutions if the left and right sides are identical. Let's simplify them both and then decide the value of ?.
Left hand side:
Right hand side:
So, both sides have a numeric part of -20. We can use the "?" value to make sure that the literal part is the same as well. So, we want
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"B." Because you must do what's in the parenthesis first. So 6² is 36 so that would be x-36=9 then to solve it 