Question

Choose values for A and B and use them to verify the product shown

(5a+b)(a-6b) = 5a^2 - 29ab -6b^2

Answer 1

let A and B be 2 and 3

Explanation:

then substitute:

(5a+b)(a-6b) = 5a^2 - 29ab - 6b^2

(5×2+3)(2-6×3) = 5×2^2 - 29×2×3 - 6×3^2

13 × (-16) =20-174-54

-208 = -208