Answer:
(4,-3)
Step-by-step explanation:
3x-15=-4x+13
7x=28
X=4
3x4-15=-3
12x + 5 - 4x + 2x² =
= 2x² + 12x - 4x + 5 = <u>2x²</u><u> </u><u>+</u><u> </u><u>8x</u><u> </u><u>+</u><u> </u><u>5</u>
3971.570