Asked by Jepjep

Given:HZ=4a-5 and RZ=3a+5 Find Hz
Answered by Neil
4a - 5 (3a + 5)
12a^2 - 20a - 15a - 25
12a^2 + 5a - 25

Answered by Neil
12a^2 - 35a - 25*
Answered by Neil
Oh sorry, I did this totally wrong. We're supposed to distribute 5 with the parenthesis, so
4a - 15a - 25
-11a - 25
Answered by Cyra
4a-5=3a+5
4a-5-3a=5
a-5=5
a=5+5
a=10

HZ=4a-5
HZ=4(10)-5
HZ=40-5
Ans. HZ=35
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