Question

Find the value of polynomial 6a2+7a-3 when a = 1.

Answer 1

answer is in attachment

Answer 2

Question (6a2−7a−5)÷(2a+1)

Solution

(6a 2−7a−5)÷(2a+1)2a+1(6a 2+3a−10a−5)

= 2a+1 3a(2a+1)−5(2a+1)

=(3a−5)(2a+1)

=3a−5.

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