Factor completely.
2x4 + 4x3 – 30x2? =
1 answer:
Answer: -40 Multiply 2 by 4. 8+4•3-30•2 Multiply 4 by 3 8+12-30•2 Multiply-30 by 2 8+12-60 Simplify by adding and subtracting: Add 8 and 12 20-60 Subtract 60 from 20 -40
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<span>1.6-g when g=1.2 = 1.6 - 1.2 = 0.4 </span><span>1/2 k when k =2/3 1/2 (2/3) = 1/3 hope it helps</span>
1) B 2) C can you help me? since I helped you?
Answer:
-37/6
Step-by-step explanation:
This are the right steps
Step 1: first you divide the both size by 7 because there is 7 a's
7a/7 = 28/7
Step 2: You solve the equation
7a/7= a. 28/7 = 4
So, the answer is a = 4
not 7 = 4
Answer:21
Step-by-step explanation:
x=length
x(x-6)=315
x^2-6x=315
x^2-6x-315=0
(x-21)(x+15)
x=21, x=-15
x cannot be negative so the only answer is 21