Fraction numerator 5 x squared plus 6 x plus 1 over denominator x squared plus 7 x plus 6 end fraction divided by left parenthesis 5 x plus 1 right parenthesis

The value of the expression is, .

Step-by-step explanation:

The expression is as follows:

Solve as follows:

Thus, the value of the expression is, .

b.an increase in a causes b to decrease

"standard form:

3x2 + 14x − 10 = 0

solutions based on quadratic formula:

x1   = −14 − √ 142 − 4×3×(−10) /   2×3   = −14 − 2 × √ 79 /   6   ≈ −5.296

x2   = −14 + √ 142 − 4×3×(−10) /   2×3   = −14 + 2 × √ 79 /   6   ≈ 0.629