Answer:
y = 4x + 5
Step-by-step explanation:
y - y1 = m(x-x1)
y + 7 = 4 (x + 3)
y + 7 = 4x + 12
y + 7 - 7 = 4x + 12 - 7
3(−x+2)(x+7)
Factor −3x2−15x+42
−3x2−15x+42
=3(−x+2)(x+7)
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