Bro and sis plz answer if know nothing else stupi.d things plz solve it tomorrow is my exam
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Step-by-step explanation:
The "±" means we need to do a plus AND a minus, so there are normally TWO solutions !
The blue part (b2 - 4ac) is called the "discriminant", because it can "discriminate" between the possible types of answer:
when it is positive, we get two real solutions,
when it is zero we get just ONE solution,
when it is negative we get complex solutions.
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i have send this hope this helps
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