Step-by-step explanation:
x²+x²= 10
2x²=10
x²=10/2=5
x =√5 or 2.24
Answer:
a = x² + 3x - 40
a = l * w
a = (x - 5)(x + 8)
a = x(x + 8) - 5(x + 8)
a = (x² + 8x) + (- 5x - 40)
C . y(18x-9w-12) ..............
i wish i can help
