Answer:
x=2; x=-5
Explanation:
x2+3x−10=0
The equation is of the form
where:
a=1,b=3,c=−10
The Discriminant is given by:
Δ=b2−4⋅a⋅c
=(3)2−(4⋅1⋅(−10))
=9+40=49
The solutions are found using the formula:
x=−b±√Δ 2⋅a
x=(−3)±√49 2⋅1=−3±7 2
x=−3+7 2=4 2=2
x=−3−7 2=−10 2=−5
Step-by-step explanation:
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