Answer:
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Step-by-step explanation:
1)
45x^3+5x
the GCF is 5x because that is a factor of both.
The answer would be 5x(9x^2+1)
2)
u^2-5u+6
factoring is finding what multiplies to the last number to add to the middle number. Those numbers are -3 and -2.
the answer would be (u-3)(u+2)
3)
m^2-49
difference of perfect squares
answer is (m+7)(m-7)
4)
x^5+4x^4+3x^3
GCF is x^3 so it's x^3(x^2+4x+3)
Factor that and it's x^3(x+3)(x+1)
Answer:
2025 yd²
Step-by-step explanation:
(Ratio of sides)² = Ratio of areas
(2/9)² = 4/81
Ratio of Surface areas:
4 in² represents 81 yd²
4/81 = 100/SA
SA = 100 × 81/4
SA = 2025
Answer:
x=-2
Step-by-step explanation:
5x+4=-6 so basically what you want to do is try to get x by itself
step 1 subtract 4 from each side
5x=-10
step 2 divide each side by 5
x=-2
