3 years ago

Solve the equation

1 answer:

7 0

X-4=18
X=18+4
X=22

10=M+7
M=10-3
M=3

4X=24
X=24÷4
X=6

-X=9
X=9×-1
X=-9

6M-5=1
6M=1+5
6M=6
M=6÷6
M=1

5A+7=4A
5A-4A=-7
A=-7

N/5=7
N=7×5
N=35

8=1/2X+6
16=X+12
-X=12-16
-X=-4
X=4

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Factor 42v^3 – 21v^2 + 34v – 17

BartSMP [9]

Answer:

(2v-1)(21v^2+17)

Step-by-step explanation:

add and subtract the second term to the expression and factor by "grouping"

answer should be:

(2v-1)(21v^2+17)

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neonofarm [45]

Answer:

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HELP!!! use cross multiplication

Tresset [83]

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8_murik_8 [283]

$y=2x^2+8x-9\\D=b^2-4ac\\D=64-4(2)(-9)\\D=64+72 > 0$