if a=2 b=-3 z=5 then solve 3a2-4b2+5z2
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Answer:
101 is the answer
Step-by-step explanation:
3a² -4b² +5z²
put a = 2, b = -3 and z = 5
3(2)² - 4(-3)² + 5(5)²
= 3(4) - 4(9) + 5(25)
= 12 - 36 + 125
= 101
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