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OpenStudy (anonymous):
expand and simplify: (-2a +3b) dot (5a-b). Is the answer: -10a +17ab-3b
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OpenStudy (anonymous):
by "dot", do u mean the multiplication dot?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
if it is multiplication then..how is there no...quadratic eqn??
OpenStudy (anonymous):
\[10a^2+17ab-3b^2\]
OpenStudy (anonymous):
NEGATIVE 10a^2
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