Subtract the sum of (8a-6a square +9)and(-10a-8+8asquare) from -3
Answers
Answered by
21
-3-(8a-6a^2+9+-10a-8+8a^2)
-3-(2a+2a^2+1)
-4-2a-2a^2
-3-(2a+2a^2+1)
-4-2a-2a^2
Answered by
0
Step-by-step explanation:
Untagged
Subtract the sum of (8a−6a
2
+9) and (−10a−8+8a
2
) from −3 is _________.
Correct option is
C
−2a
2
+2a−4
−3−[(8a−6a
2
+9)+(−10a−8+8a
2
)]
=−3−[8a−6a
2
+9+−10a−8+8a
2
]
=−3−[(8a−10a)+(−6a
2
+8a
2
)+(9−8)]
=−3−[−2a+2a
2
+1]
=−3+2a−2a
2
−1
=+2a−2a
2
−4
=−2a
2
+2a−4
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