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OpenStudy (anonymous):
In the following equation, identify the x-intercepts in the graph y = 3x2 + 19x – 40
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OpenStudy (lynfran):
just to be clear is this it.. \[3x ^{2}+19x-40\]
OpenStudy (anonymous):
yes
OpenStudy (lynfran):
https://www.symbolab.com/solver/algebra-calculator/3x%5E%7B2%7D%2B19x-40/?origin=button
OpenStudy (lynfran):
so we have (x+8)(3x-5) equate each bracket to 0 and solve for x x+8=0 3x-5=0
OpenStudy (lynfran):
what did you get?
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OpenStudy (lynfran):
x=-8 and x=5/3
OpenStudy (lynfran):
https://www.symbolab.com/solver/algebra-calculator/3x%5E%7B2%7D%2B19x-40%3D0/?origin=enterkey
OpenStudy (anonymous):
Thank you so much
OpenStudy (lynfran):
welcome
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