Y/4 = -3
Multiply both sides by 4
Y = -12
Answer:
answer of given question is -7/2
16x² - 49
= (4x)² - 7²
Identity =》 a² - b² = (a + b) (a - b)
(4x)² - 7²
= (4x + 7) (4x - 7) [3rd option]
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Hope it helps ⚜