2x^2+7x-4
you need distribute all the numbers in parenthesis.
Answer:

Step-by-step explanation:
The equations given are:


For the equations to generate the same independent value, then

This implies that:

Group similar terms to get:

Simplify to get:


Answer:
ABC and MNP are not congruent. ABC and EFG are not congruent. ABC and STU are congruent. EFG and MNP are congruent. EFG and STU are not congruent. STU and MNP are not congruent.
Step-by-step explanation: