Answer:
15x-2+7x+4=90°[being complementary angle]
22x+2=90°
22x=90°-2
22x=88
x=88/22
x=4
x=20
Step-by-step explanation:
73-13=60
60÷3=20
2
4x² + 33 x + 37 = (4 x + 5) × (x + 7) + 2
