Multiply all 4 by each other.
You can use a calculator, or use long division
Answer:
(5h-4t)(5h+4t)
Step-by-step explanation:
25h² - 16t²
adding and subtracting 20ht from it (√25 and √16 = 5x4 = 20):
25h² + 20ht - 20ht -16t²
factor:
(5h-4t)(5h+4t)
Answer:
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Step-by-stedcvp explanation: welcome to family fued
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Do you know your trig ratios?