3(2x^3+3y^2) (2x^3 -3y^2)
Answer:
x(3 + 9) = 3x + 9x = 12x
Step-by-step explanation:
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I believe this just uses the Pythagorean Theorem. A^2+B^2=C^2. So:
15^2+B^2=25^2. Simplified this is,
225+B^2=625
625-225=400
B^2=400
√ B=<span>√ 400
</span>B=20
5 + 5 + 5 + 5 equals 550 lgjf8654
Answer: F
Step-by-step explanation: